Finding the Fourth Proportional to 50,088.72, 69,122.46 and 31,225.92

Step by Step Solution

1. Step 1: Write the proportion equation
   50,088.72 : 69,122.46 = 31,225.92 : x
2. Step 2: Convert to fraction form
   50,088.72/69,122.46 = 31,225.92/x
3. Step 3: Cross multiply
   50,088.72x = 69,122.46 × 31,225.92
4. Step 4: Simplify right side
   50,088.72x = 2,158,412,406.16
5. Step 5: Solve for x
   x = 2,158,412,406.16/50,088.72
6. Step 6: Final answer
   x = 43,091.79