Finding the Fourth Proportional to 12,039.15, 16,613.52 and 7,003.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.15 : 16,613.52 = 7,003.38 : x
2. Step 2: Convert to fraction form
   12,039.15/16,613.52 = 7,003.38/x
3. Step 3: Cross multiply
   12,039.15x = 16,613.52 × 7,003.38
4. Step 4: Simplify right side
   12,039.15x = 116,350,793.70
5. Step 5: Solve for x
   x = 116,350,793.70/12,039.15
6. Step 6: Final answer
   x = 9,664.37