Finding the Fourth Proportional to 148,042.72, 204,318.72 and 83,525.20

Step by Step Solution

1. Step 1: Write the proportion equation
   148,042.72 : 204,318.72 = 83,525.20 : x
2. Step 2: Convert to fraction form
   148,042.72/204,318.72 = 83,525.20/x
3. Step 3: Cross multiply
   148,042.72x = 204,318.72 × 83,525.20
4. Step 4: Simplify right side
   148,042.72x = 17,065,761,951.74
5. Step 5: Solve for x
   x = 17,065,761,951.74/148,042.72
6. Step 6: Final answer
   x = 115,275.93