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Finding the Fourth Proportional to 81,873.60, 112,989.60 and 46,061.76

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Solution

The fourth proportional to 81,873.60, 112,989.60 and 46,061.76 is: 63,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,873.60 : 112,989.60 = 46,061.76 : x
  2. Step 2: Convert to fraction form
    81,873.60/112,989.60 = 46,061.76/x
  3. Step 3: Cross multiply
    81,873.60x = 112,989.60 × 46,061.76
  4. Step 4: Simplify right side
    81,873.60x = 5,204,499,837.70
  5. Step 5: Solve for x
    x = 5,204,499,837.70/81,873.60
  6. Step 6: Final answer
    x = 63,567.50

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