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Finding the Fourth Proportional to 68,566.60, 102,857.46 and 21,808.54

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Solution

The fourth proportional to 68,566.60, 102,857.46 and 21,808.54 is: 32,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,566.60 : 102,857.46 = 21,808.54 : x
  2. Step 2: Convert to fraction form
    68,566.60/102,857.46 = 21,808.54/x
  3. Step 3: Cross multiply
    68,566.60x = 102,857.46 × 21,808.54
  4. Step 4: Simplify right side
    68,566.60x = 2,243,171,030.71
  5. Step 5: Solve for x
    x = 2,243,171,030.71/68,566.60
  6. Step 6: Final answer
    x = 32,715.21

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