Finding the Fourth Proportional to 25,188.30, 34,744.55 and 18,124.29

Step by Step Solution

1. Step 1: Write the proportion equation
   25,188.30 : 34,744.55 = 18,124.29 : x
2. Step 2: Convert to fraction form
   25,188.30/34,744.55 = 18,124.29/x
3. Step 3: Cross multiply
   25,188.30x = 34,744.55 × 18,124.29
4. Step 4: Simplify right side
   25,188.30x = 629,720,209.50
5. Step 5: Solve for x
   x = 629,720,209.50/25,188.30
6. Step 6: Final answer
   x = 25,000.50