Finding the Fourth Proportional to 131,123.02, 180,978.42 and 83,367.04

Step by Step Solution

1. Step 1: Write the proportion equation
   131,123.02 : 180,978.42 = 83,367.04 : x
2. Step 2: Convert to fraction form
   131,123.02/180,978.42 = 83,367.04/x
3. Step 3: Cross multiply
   131,123.02x = 180,978.42 × 83,367.04
4. Step 4: Simplify right side
   131,123.02x = 15,087,635,179.28
5. Step 5: Solve for x
   x = 15,087,635,179.28/131,123.02
6. Step 6: Final answer
   x = 115,064.73