Finding the Fourth Proportional to 81,557.50, 112,505.86 and 47,553.58

Step by Step Solution

1. Step 1: Write the proportion equation
   81,557.50 : 112,505.86 = 47,553.58 : x
2. Step 2: Convert to fraction form
   81,557.50/112,505.86 = 47,553.58/x
3. Step 3: Cross multiply
   81,557.50x = 112,505.86 × 47,553.58
4. Step 4: Simplify right side
   81,557.50x = 5,350,056,463.59
5. Step 5: Solve for x
   x = 5,350,056,463.59/81,557.50
6. Step 6: Final answer
   x = 65,598.58