Finding the Fourth Proportional to 123,880.46, 171,025.96 and 81,562

Step by Step Solution

1. Step 1: Write the proportion equation
   123,880.46 : 171,025.96 = 81,562 : x
2. Step 2: Convert to fraction form
   123,880.46/171,025.96 = 81,562/x
3. Step 3: Cross multiply
   123,880.46x = 171,025.96 × 81,562
4. Step 4: Simplify right side
   123,880.46x = 13,949,219,349.52
5. Step 5: Solve for x
   x = 13,949,219,349.52/123,880.46
6. Step 6: Final answer
   x = 112,602.26