Finding the Fourth Proportional to 12,669.72, 17,478.36 and 7,363.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,669.72 : 17,478.36 = 7,363.52 : x
2. Step 2: Convert to fraction form
   12,669.72/17,478.36 = 7,363.52/x
3. Step 3: Cross multiply
   12,669.72x = 17,478.36 × 7,363.52
4. Step 4: Simplify right side
   12,669.72x = 128,702,253.43
5. Step 5: Solve for x
   x = 128,702,253.43/12,669.72
6. Step 6: Final answer
   x = 10,158.26