Finding the Fourth Proportional to 131,546.96, 181,539.72 and 74,956.88

Step by Step Solution

1. Step 1: Write the proportion equation
   131,546.96 : 181,539.72 = 74,956.88 : x
2. Step 2: Convert to fraction form
   131,546.96/181,539.72 = 74,956.88/x
3. Step 3: Cross multiply
   131,546.96x = 181,539.72 × 74,956.88
4. Step 4: Simplify right side
   131,546.96x = 13,607,651,007.27
5. Step 5: Solve for x
   x = 13,607,651,007.27/131,546.96
6. Step 6: Final answer
   x = 103,443.30