Finding the Fourth Proportional to 25,882.02, 35,714.72 and 15,129.41

Step by Step Solution

1. Step 1: Write the proportion equation
   25,882.02 : 35,714.72 = 15,129.41 : x
2. Step 2: Convert to fraction form
   25,882.02/35,714.72 = 15,129.41/x
3. Step 3: Cross multiply
   25,882.02x = 35,714.72 × 15,129.41
4. Step 4: Simplify right side
   25,882.02x = 540,342,501.17
5. Step 5: Solve for x
   x = 540,342,501.17/25,882.02
6. Step 6: Final answer
   x = 20,877.14