Finding the Fourth Proportional to 72,553.32, 108,884.52 and 53,876.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,553.32 : 108,884.52 = 53,876.88 : x
2. Step 2: Convert to fraction form
   72,553.32/108,884.52 = 53,876.88/x
3. Step 3: Cross multiply
   72,553.32x = 108,884.52 × 53,876.88
4. Step 4: Simplify right side
   72,553.32x = 5,866,358,217.90
5. Step 5: Solve for x
   x = 5,866,358,217.90/72,553.32
6. Step 6: Final answer
   x = 80,855.82