Finding the Fourth Proportional to 99,932.63, 137,908.83 and 54,612.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,932.63 : 137,908.83 = 54,612.52 : x
2. Step 2: Convert to fraction form
   99,932.63/137,908.83 = 54,612.52/x
3. Step 3: Cross multiply
   99,932.63x = 137,908.83 × 54,612.52
4. Step 4: Simplify right side
   99,932.63x = 7,531,548,391.78
5. Step 5: Solve for x
   x = 7,531,548,391.78/99,932.63
6. Step 6: Final answer
   x = 75,366.26