Finding the Fourth Proportional to 12,322.86, 17,005.70 and 7,017.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.86 : 17,005.70 = 7,017.68 : x
2. Step 2: Convert to fraction form
   12,322.86/17,005.70 = 7,017.68/x
3. Step 3: Cross multiply
   12,322.86x = 17,005.70 × 7,017.68
4. Step 4: Simplify right side
   12,322.86x = 119,340,560.78
5. Step 5: Solve for x
   x = 119,340,560.78/12,322.86
6. Step 6: Final answer
   x = 9,684.49