Finding the Fourth Proportional to 9,368.31, 12,929.59 and 6,020.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,368.31 : 12,929.59 = 6,020.69 : x
2. Step 2: Convert to fraction form
   9,368.31/12,929.59 = 6,020.69/x
3. Step 3: Cross multiply
   9,368.31x = 12,929.59 × 6,020.69
4. Step 4: Simplify right side
   9,368.31x = 77,844,996.10
5. Step 5: Solve for x
   x = 77,844,996.10/9,368.31
6. Step 6: Final answer
   x = 8,309.39