Finding the Fourth Proportional to 12,347.10, 17,033.76 and 7,565.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,347.10 : 17,033.76 = 7,565.22 : x
2. Step 2: Convert to fraction form
   12,347.10/17,033.76 = 7,565.22/x
3. Step 3: Cross multiply
   12,347.10x = 17,033.76 × 7,565.22
4. Step 4: Simplify right side
   12,347.10x = 128,864,141.83
5. Step 5: Solve for x
   x = 128,864,141.83/12,347.10
6. Step 6: Final answer
   x = 10,436.79