Finding the Fourth Proportional to 88,677.83, 133,139.73 and 55,528.31

Step by Step Solution

1. Step 1: Write the proportion equation
   88,677.83 : 133,139.73 = 55,528.31 : x
2. Step 2: Convert to fraction form
   88,677.83/133,139.73 = 55,528.31/x
3. Step 3: Cross multiply
   88,677.83x = 133,139.73 × 55,528.31
4. Step 4: Simplify right side
   88,677.83x = 7,393,024,200.76
5. Step 5: Solve for x
   x = 7,393,024,200.76/88,677.83
6. Step 6: Final answer
   x = 83,369.48