Finding the Fourth Proportional to 12,449.28, 17,179.32 and 7,733.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,449.28 : 17,179.32 = 7,733.52 : x
2. Step 2: Convert to fraction form
   12,449.28/17,179.32 = 7,733.52/x
3. Step 3: Cross multiply
   12,449.28x = 17,179.32 × 7,733.52
4. Step 4: Simplify right side
   12,449.28x = 132,856,614.81
5. Step 5: Solve for x
   x = 132,856,614.81/12,449.28
6. Step 6: Final answer
   x = 10,671.83