Finding the Fourth Proportional to 131,536.89, 181,476.50 and 74,908.17

Step by Step Solution

1. Step 1: Write the proportion equation
   131,536.89 : 181,476.50 = 74,908.17 : x
2. Step 2: Convert to fraction form
   131,536.89/181,476.50 = 74,908.17/x
3. Step 3: Cross multiply
   131,536.89x = 181,476.50 × 74,908.17
4. Step 4: Simplify right side
   131,536.89x = 13,594,072,138.46
5. Step 5: Solve for x
   x = 13,594,072,138.46/131,536.89
6. Step 6: Final answer
   x = 103,347.98