Finding the Fourth Proportional to 94,236.28, 141,379.92 and 31,906.78

Step by Step Solution

1. Step 1: Write the proportion equation
   94,236.28 : 141,379.92 = 31,906.78 : x
2. Step 2: Convert to fraction form
   94,236.28/141,379.92 = 31,906.78/x
3. Step 3: Cross multiply
   94,236.28x = 141,379.92 × 31,906.78
4. Step 4: Simplify right side
   94,236.28x = 4,510,978,003.86
5. Step 5: Solve for x
   x = 4,510,978,003.86/94,236.28
6. Step 6: Final answer
   x = 47,868.80