Finding the Fourth Proportional to 88,822.90, 133,061.55 and 53,658.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,822.90 : 133,061.55 = 53,658.10 : x
2. Step 2: Convert to fraction form
   88,822.90/133,061.55 = 53,658.10/x
3. Step 3: Cross multiply
   88,822.90x = 133,061.55 × 53,658.10
4. Step 4: Simplify right side
   88,822.90x = 7,139,829,956.06
5. Step 5: Solve for x
   x = 7,139,829,956.06/88,822.90
6. Step 6: Final answer
   x = 80,382.76