Finding the Fourth Proportional to 25,196.31, 34,760.88 and 15,125.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,196.31 : 34,760.88 = 15,125.31 : x
2. Step 2: Convert to fraction form
   25,196.31/34,760.88 = 15,125.31/x
3. Step 3: Cross multiply
   25,196.31x = 34,760.88 × 15,125.31
4. Step 4: Simplify right side
   25,196.31x = 525,769,085.87
5. Step 5: Solve for x
   x = 525,769,085.87/25,196.31
6. Step 6: Final answer
   x = 20,866.91