Finding the Fourth Proportional to 174,257.52, 261,036.28 and 147,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   174,257.52 : 261,036.28 = 147,488.72 : x
2. Step 2: Convert to fraction form
   174,257.52/261,036.28 = 147,488.72/x
3. Step 3: Cross multiply
   174,257.52x = 261,036.28 × 147,488.72
4. Step 4: Simplify right side
   174,257.52x = 38,499,906,810.76
5. Step 5: Solve for x
   x = 38,499,906,810.76/174,257.52
6. Step 6: Final answer
   x = 220,936.85