Finding the Fourth Proportional to 12,330.78, 17,016.50 and 7,025.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,330.78 : 17,016.50 = 7,025.82 : x
2. Step 2: Convert to fraction form
   12,330.78/17,016.50 = 7,025.82/x
3. Step 3: Cross multiply
   12,330.78x = 17,016.50 × 7,025.82
4. Step 4: Simplify right side
   12,330.78x = 119,554,866.03
5. Step 5: Solve for x
   x = 119,554,866.03/12,330.78
6. Step 6: Final answer
   x = 9,695.65