Finding the Fourth Proportional to 12,322.72, 16,988.28 and 8,337.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.72 : 16,988.28 = 8,337.52 : x
2. Step 2: Convert to fraction form
   12,322.72/16,988.28 = 8,337.52/x
3. Step 3: Cross multiply
   12,322.72x = 16,988.28 × 8,337.52
4. Step 4: Simplify right side
   12,322.72x = 141,640,124.27
5. Step 5: Solve for x
   x = 141,640,124.27/12,322.72
6. Step 6: Final answer
   x = 11,494.23