Finding the Fourth Proportional to 131,818.54, 181,922.61 and 75,238.42

Step by Step Solution

1. Step 1: Write the proportion equation
   131,818.54 : 181,922.61 = 75,238.42 : x
2. Step 2: Convert to fraction form
   131,818.54/181,922.61 = 75,238.42/x
3. Step 3: Cross multiply
   131,818.54x = 181,922.61 × 75,238.42
4. Step 4: Simplify right side
   131,818.54x = 13,687,569,738.68
5. Step 5: Solve for x
   x = 13,687,569,738.68/131,818.54
6. Step 6: Final answer
   x = 103,836.45