Finding the Fourth Proportional to 91,646.28, 137,469.33 and 25,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   91,646.28 : 137,469.33 = 25,086.96 : x
2. Step 2: Convert to fraction form
   91,646.28/137,469.33 = 25,086.96/x
3. Step 3: Cross multiply
   91,646.28x = 137,469.33 × 25,086.96
4. Step 4: Simplify right side
   91,646.28x = 3,448,687,582.94
5. Step 5: Solve for x
   x = 3,448,687,582.94/91,646.28
6. Step 6: Final answer
   x = 37,630.42