Finding the Fourth Proportional to 93,592.76, 128,832.54 and 81,635.27

Step by Step Solution

1. Step 1: Write the proportion equation
   93,592.76 : 128,832.54 = 81,635.27 : x
2. Step 2: Convert to fraction form
   93,592.76/128,832.54 = 81,635.27/x
3. Step 3: Cross multiply
   93,592.76x = 128,832.54 × 81,635.27
4. Step 4: Simplify right side
   93,592.76x = 10,517,279,187.69
5. Step 5: Solve for x
   x = 10,517,279,187.69/93,592.76
6. Step 6: Final answer
   x = 112,372.79