Finding the Fourth Proportional to 12,039.20, 16,614.18 and 7,003.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.20 : 16,614.18 = 7,003.58 : x
2. Step 2: Convert to fraction form
   12,039.20/16,614.18 = 7,003.58/x
3. Step 3: Cross multiply
   12,039.20x = 16,614.18 × 7,003.58
4. Step 4: Simplify right side
   12,039.20x = 116,358,738.76
5. Step 5: Solve for x
   x = 116,358,738.76/12,039.20
6. Step 6: Final answer
   x = 9,664.99