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Finding the Fourth Proportional to 52,340.72, 78,481.35 and 35,720.89

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Solution

The fourth proportional to 52,340.72, 78,481.35 and 35,720.89 is: 53,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,340.72 : 78,481.35 = 35,720.89 : x
  2. Step 2: Convert to fraction form
    52,340.72/78,481.35 = 35,720.89/x
  3. Step 3: Cross multiply
    52,340.72x = 78,481.35 × 35,720.89
  4. Step 4: Simplify right side
    52,340.72x = 2,803,423,670.40
  5. Step 5: Solve for x
    x = 2,803,423,670.40/52,340.72
  6. Step 6: Final answer
    x = 53,561.05

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