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Finding the Fourth Proportional to 58,338.60, 87,450.30 and 28,732.20

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Solution

The fourth proportional to 58,338.60, 87,450.30 and 28,732.20 is: 43,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,338.60 : 87,450.30 = 28,732.20 : x
  2. Step 2: Convert to fraction form
    58,338.60/87,450.30 = 28,732.20/x
  3. Step 3: Cross multiply
    58,338.60x = 87,450.30 × 28,732.20
  4. Step 4: Simplify right side
    58,338.60x = 2,512,639,509.66
  5. Step 5: Solve for x
    x = 2,512,639,509.66/58,338.60
  6. Step 6: Final answer
    x = 43,069.93

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