Finding the Fourth Proportional to 12,293.31, 16,959.94 and 7,569.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,293.31 : 16,959.94 = 7,569.39 : x
2. Step 2: Convert to fraction form
   12,293.31/16,959.94 = 7,569.39/x
3. Step 3: Cross multiply
   12,293.31x = 16,959.94 × 7,569.39
4. Step 4: Simplify right side
   12,293.31x = 128,376,400.24
5. Step 5: Solve for x
   x = 128,376,400.24/12,293.31
6. Step 6: Final answer
   x = 10,442.79