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Finding the Fourth Proportional to 104,912.08, 144,776.80 and 57,165.84

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Solution

The fourth proportional to 104,912.08, 144,776.80 and 57,165.84 is: 78,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,912.08 : 144,776.80 = 57,165.84 : x
  2. Step 2: Convert to fraction form
    104,912.08/144,776.80 = 57,165.84/x
  3. Step 3: Cross multiply
    104,912.08x = 144,776.80 × 57,165.84
  4. Step 4: Simplify right side
    104,912.08x = 8,276,287,384.51
  5. Step 5: Solve for x
    x = 8,276,287,384.51/104,912.08
  6. Step 6: Final answer
    x = 78,887.84

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