Finding the Fourth Proportional to 91,931.34, 137,904.96 and 25,371.48

Step by Step Solution

1. Step 1: Write the proportion equation
   91,931.34 : 137,904.96 = 25,371.48 : x
2. Step 2: Convert to fraction form
   91,931.34/137,904.96 = 25,371.48/x
3. Step 3: Cross multiply
   91,931.34x = 137,904.96 × 25,371.48
4. Step 4: Simplify right side
   91,931.34x = 3,498,852,934.54
5. Step 5: Solve for x
   x = 3,498,852,934.54/91,931.34
6. Step 6: Final answer
   x = 38,059.41