Finding the Fourth Proportional to 91,585.38, 137,393.66 and 31,597.59

Step by Step Solution

1. Step 1: Write the proportion equation
   91,585.38 : 137,393.66 = 31,597.59 : x
2. Step 2: Convert to fraction form
   91,585.38/137,393.66 = 31,597.59/x
3. Step 3: Cross multiply
   91,585.38x = 137,393.66 × 31,597.59
4. Step 4: Simplify right side
   91,585.38x = 4,341,309,131.50
5. Step 5: Solve for x
   x = 4,341,309,131.50/91,585.38
6. Step 6: Final answer
   x = 47,401.77