Finding the Fourth Proportional to 25,114.73, 37,671.17 and 10,128.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,114.73 : 37,671.17 = 10,128.31 : x
2. Step 2: Convert to fraction form
   25,114.73/37,671.17 = 10,128.31/x
3. Step 3: Cross multiply
   25,114.73x = 37,671.17 × 10,128.31
4. Step 4: Simplify right side
   25,114.73x = 381,545,143.00
5. Step 5: Solve for x
   x = 381,545,143.00/25,114.73
6. Step 6: Final answer
   x = 15,192.09