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Finding the Fourth Proportional to 385,917.36, 578,959.20 and 119,672.52

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Solution

The fourth proportional to 385,917.36, 578,959.20 and 119,672.52 is: 179,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,917.36 : 578,959.20 = 119,672.52 : x
  2. Step 2: Convert to fraction form
    385,917.36/578,959.20 = 119,672.52/x
  3. Step 3: Cross multiply
    385,917.36x = 578,959.20 × 119,672.52
  4. Step 4: Simplify right side
    385,917.36x = 69,285,506,441.18
  5. Step 5: Solve for x
    x = 69,285,506,441.18/385,917.36
  6. Step 6: Final answer
    x = 179,534.57

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