Finding the Fourth Proportional to 131,451.12, 181,401.36 and 74,108.82

Step by Step Solution

1. Step 1: Write the proportion equation
   131,451.12 : 181,401.36 = 74,108.82 : x
2. Step 2: Convert to fraction form
   131,451.12/181,401.36 = 74,108.82/x
3. Step 3: Cross multiply
   131,451.12x = 181,401.36 × 74,108.82
4. Step 4: Simplify right side
   131,451.12x = 13,443,440,736.00
5. Step 5: Solve for x
   x = 13,443,440,736.00/131,451.12
6. Step 6: Final answer
   x = 102,269.50