Finding the Fourth Proportional to 91,709.34, 137,564.21 and 25,150.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,709.34 : 137,564.21 = 25,150.42 : x
2. Step 2: Convert to fraction form
   91,709.34/137,564.21 = 25,150.42/x
3. Step 3: Cross multiply
   91,709.34x = 137,564.21 × 25,150.42
4. Step 4: Simplify right side
   91,709.34x = 3,459,797,658.47
5. Step 5: Solve for x
   x = 3,459,797,658.47/91,709.34
6. Step 6: Final answer
   x = 37,725.68