Finding the Fourth Proportional to 25,238.52, 34,828.69 and 13,909.07

Step by Step Solution

1. Step 1: Write the proportion equation
   25,238.52 : 34,828.69 = 13,909.07 : x
2. Step 2: Convert to fraction form
   25,238.52/34,828.69 = 13,909.07/x
3. Step 3: Cross multiply
   25,238.52x = 34,828.69 × 13,909.07
4. Step 4: Simplify right side
   25,238.52x = 484,434,687.22
5. Step 5: Solve for x
   x = 484,434,687.22/25,238.52
6. Step 6: Final answer
   x = 19,194.26