Finding the Fourth Proportional to 90,952.27, 136,521.50 and 75,106.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,952.27 : 136,521.50 = 75,106.82 : x
2. Step 2: Convert to fraction form
   90,952.27/136,521.50 = 75,106.82/x
3. Step 3: Cross multiply
   90,952.27x = 136,521.50 × 75,106.82
4. Step 4: Simplify right side
   90,952.27x = 10,253,695,231.79
5. Step 5: Solve for x
   x = 10,253,695,231.79/90,952.27
6. Step 6: Final answer
   x = 112,737.10