Finding the Fourth Proportional to 12,038.72, 16,614.83 and 7,003.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,038.72 : 16,614.83 = 7,003.15 : x
2. Step 2: Convert to fraction form
   12,038.72/16,614.83 = 7,003.15/x
3. Step 3: Cross multiply
   12,038.72x = 16,614.83 × 7,003.15
4. Step 4: Simplify right side
   12,038.72x = 116,356,179.26
5. Step 5: Solve for x
   x = 116,356,179.26/12,038.72
6. Step 6: Final answer
   x = 9,665.16