Finding the Fourth Proportional to 25,118.72, 34,663.72 and 13,788.24

Step by Step Solution

1. Step 1: Write the proportion equation
   25,118.72 : 34,663.72 = 13,788.24 : x
2. Step 2: Convert to fraction form
   25,118.72/34,663.72 = 13,788.24/x
3. Step 3: Cross multiply
   25,118.72x = 34,663.72 × 13,788.24
4. Step 4: Simplify right side
   25,118.72x = 477,951,690.65
5. Step 5: Solve for x
   x = 477,951,690.65/25,118.72
6. Step 6: Final answer
   x = 19,027.71