Finding the Fourth Proportional to 17,838.64, 24,591.68 and 12,516.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,838.64 : 24,591.68 = 12,516.96 : x
2. Step 2: Convert to fraction form
   17,838.64/24,591.68 = 12,516.96/x
3. Step 3: Cross multiply
   17,838.64x = 24,591.68 × 12,516.96
4. Step 4: Simplify right side
   17,838.64x = 307,813,074.89
5. Step 5: Solve for x
   x = 307,813,074.89/17,838.64
6. Step 6: Final answer
   x = 17,255.41