Finding the Fourth Proportional to 131,105.64, 180,925.86 and 74,517

Step by Step Solution

1. Step 1: Write the proportion equation
   131,105.64 : 180,925.86 = 74,517 : x
2. Step 2: Convert to fraction form
   131,105.64/180,925.86 = 74,517/x
3. Step 3: Cross multiply
   131,105.64x = 180,925.86 × 74,517
4. Step 4: Simplify right side
   131,105.64x = 13,482,052,309.62
5. Step 5: Solve for x
   x = 13,482,052,309.62/131,105.64
6. Step 6: Final answer
   x = 102,833.50