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Finding the Fourth Proportional to 120,553.05, 166,362.41 and 66,838.07

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Solution

The fourth proportional to 120,553.05, 166,362.41 and 66,838.07 is: 92,236.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,553.05 : 166,362.41 = 66,838.07 : x
  2. Step 2: Convert to fraction form
    120,553.05/166,362.41 = 66,838.07/x
  3. Step 3: Cross multiply
    120,553.05x = 166,362.41 × 66,838.07
  4. Step 4: Simplify right side
    120,553.05x = 11,119,341,238.95
  5. Step 5: Solve for x
    x = 11,119,341,238.95/120,553.05
  6. Step 6: Final answer
    x = 92,236.08

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