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Finding the Fourth Proportional to 572,768.20, 858,893.10 and 257,062.60

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Solution

The fourth proportional to 572,768.20, 858,893.10 and 257,062.60 is: 385,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,768.20 : 858,893.10 = 257,062.60 : x
  2. Step 2: Convert to fraction form
    572,768.20/858,893.10 = 257,062.60/x
  3. Step 3: Cross multiply
    572,768.20x = 858,893.10 × 257,062.60
  4. Step 4: Simplify right side
    572,768.20x = 220,789,293,408.06
  5. Step 5: Solve for x
    x = 220,789,293,408.06/572,768.20
  6. Step 6: Final answer
    x = 385,477.57

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