Finding the Fourth Proportional to 91,645.62, 137,468.31 and 25,086.30

Step by Step Solution

1. Step 1: Write the proportion equation
   91,645.62 : 137,468.31 = 25,086.30 : x
2. Step 2: Convert to fraction form
   91,645.62/137,468.31 = 25,086.30/x
3. Step 3: Cross multiply
   91,645.62x = 137,468.31 × 25,086.30
4. Step 4: Simplify right side
   91,645.62x = 3,448,571,265.15
5. Step 5: Solve for x
   x = 3,448,571,265.15/91,645.62
6. Step 6: Final answer
   x = 37,629.42