Finding the Fourth Proportional to 91,361.27, 137,007.77 and 31,372.71

Step by Step Solution

1. Step 1: Write the proportion equation
   91,361.27 : 137,007.77 = 31,372.71 : x
2. Step 2: Convert to fraction form
   91,361.27/137,007.77 = 31,372.71/x
3. Step 3: Cross multiply
   91,361.27x = 137,007.77 × 31,372.71
4. Step 4: Simplify right side
   91,361.27x = 4,298,304,879.09
5. Step 5: Solve for x
   x = 4,298,304,879.09/91,361.27
6. Step 6: Final answer
   x = 47,047.34