Finding the Fourth Proportional to 25,128.52, 34,678.32 and 13,798.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,128.52 : 34,678.32 = 13,798.96 : x
2. Step 2: Convert to fraction form
   25,128.52/34,678.32 = 13,798.96/x
3. Step 3: Cross multiply
   25,128.52x = 34,678.32 × 13,798.96
4. Step 4: Simplify right side
   25,128.52x = 478,524,750.55
5. Step 5: Solve for x
   x = 478,524,750.55/25,128.52
6. Step 6: Final answer
   x = 19,043.09