Finding the Fourth Proportional to 25,139.31, 37,713.82 and 9,555.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,139.31 : 37,713.82 = 9,555.72 : x
2. Step 2: Convert to fraction form
   25,139.31/37,713.82 = 9,555.72/x
3. Step 3: Cross multiply
   25,139.31x = 37,713.82 × 9,555.72
4. Step 4: Simplify right side
   25,139.31x = 360,382,704.05
5. Step 5: Solve for x
   x = 360,382,704.05/25,139.31
6. Step 6: Final answer
   x = 14,335.43