Finding the Fourth Proportional to 25,118.91, 34,664.72 and 13,789.53

Step by Step Solution

1. Step 1: Write the proportion equation
   25,118.91 : 34,664.72 = 13,789.53 : x
2. Step 2: Convert to fraction form
   25,118.91/34,664.72 = 13,789.53/x
3. Step 3: Cross multiply
   25,118.91x = 34,664.72 × 13,789.53
4. Step 4: Simplify right side
   25,118.91x = 478,010,127.43
5. Step 5: Solve for x
   x = 478,010,127.43/25,118.91
6. Step 6: Final answer
   x = 19,029.89