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Finding the Fourth Proportional to 572,705.70, 859,058.55 and 360,129.30

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Solution

The fourth proportional to 572,705.70, 859,058.55 and 360,129.30 is: 540,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,705.70 : 859,058.55 = 360,129.30 : x
  2. Step 2: Convert to fraction form
    572,705.70/859,058.55 = 360,129.30/x
  3. Step 3: Cross multiply
    572,705.70x = 859,058.55 × 360,129.30
  4. Step 4: Simplify right side
    572,705.70x = 309,372,154,270.52
  5. Step 5: Solve for x
    x = 309,372,154,270.52/572,705.70
  6. Step 6: Final answer
    x = 540,193.95

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