Finding the Fourth Proportional to 98,472.16, 147,839.52 and 83,775.52

Step by Step Solution

1. Step 1: Write the proportion equation
   98,472.16 : 147,839.52 = 83,775.52 : x
2. Step 2: Convert to fraction form
   98,472.16/147,839.52 = 83,775.52/x
3. Step 3: Cross multiply
   98,472.16x = 147,839.52 × 83,775.52
4. Step 4: Simplify right side
   98,472.16x = 12,385,332,664.55
5. Step 5: Solve for x
   x = 12,385,332,664.55/98,472.16
6. Step 6: Final answer
   x = 125,774.97