Finding the Fourth Proportional to 25,128.17, 34,677.25 and 13,798.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.17 : 34,677.25 = 13,798.69 : x
2. Step 2: Convert to fraction form
   25,128.17/34,677.25 = 13,798.69/x
3. Step 3: Cross multiply
   25,128.17x = 34,677.25 × 13,798.69
4. Step 4: Simplify right side
   25,128.17x = 478,500,501.61
5. Step 5: Solve for x
   x = 478,500,501.61/25,128.17
6. Step 6: Final answer
   x = 19,042.39