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Finding the Fourth Proportional to 58,463.60, 87,695.40 and 51,321.20

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Solution

The fourth proportional to 58,463.60, 87,695.40 and 51,321.20 is: 76,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,463.60 : 87,695.40 = 51,321.20 : x
  2. Step 2: Convert to fraction form
    58,463.60/87,695.40 = 51,321.20/x
  3. Step 3: Cross multiply
    58,463.60x = 87,695.40 × 51,321.20
  4. Step 4: Simplify right side
    58,463.60x = 4,500,633,162.48
  5. Step 5: Solve for x
    x = 4,500,633,162.48/58,463.60
  6. Step 6: Final answer
    x = 76,981.80

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