Finding the Fourth Proportional to 17,925.72, 24,744.18 and 15,397.68

Step by Step Solution

1. Step 1: Write the proportion equation
   17,925.72 : 24,744.18 = 15,397.68 : x
2. Step 2: Convert to fraction form
   17,925.72/24,744.18 = 15,397.68/x
3. Step 3: Cross multiply
   17,925.72x = 24,744.18 × 15,397.68
4. Step 4: Simplify right side
   17,925.72x = 381,002,965.50
5. Step 5: Solve for x
   x = 381,002,965.50/17,925.72
6. Step 6: Final answer
   x = 21,254.54