Finding the Fourth Proportional to 12,326.05, 17,008.41 and 7,020.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,326.05 : 17,008.41 = 7,020.19 : x
2. Step 2: Convert to fraction form
   12,326.05/17,008.41 = 7,020.19/x
3. Step 3: Cross multiply
   12,326.05x = 17,008.41 × 7,020.19
4. Step 4: Simplify right side
   12,326.05x = 119,402,269.80
5. Step 5: Solve for x
   x = 119,402,269.80/12,326.05
6. Step 6: Final answer
   x = 9,686.99