Finding the Fourth Proportional to 91,187.52, 136,824.48 and 63,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,187.52 : 136,824.48 = 63,150.72 : x
2. Step 2: Convert to fraction form
   91,187.52/136,824.48 = 63,150.72/x
3. Step 3: Cross multiply
   91,187.52x = 136,824.48 × 63,150.72
4. Step 4: Simplify right side
   91,187.52x = 8,640,564,425.63
5. Step 5: Solve for x
   x = 8,640,564,425.63/91,187.52
6. Step 6: Final answer
   x = 94,756.00