Finding the Fourth Proportional to 25,672.17, 35,427.87 and 15,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   25,672.17 : 35,427.87 = 15,061.98 : x
2. Step 2: Convert to fraction form
   25,672.17/35,427.87 = 15,061.98/x
3. Step 3: Cross multiply
   25,672.17x = 35,427.87 × 15,061.98
4. Step 4: Simplify right side
   25,672.17x = 533,613,794.07
5. Step 5: Solve for x
   x = 533,613,794.07/25,672.17
6. Step 6: Final answer
   x = 20,785.69