Finding the Fourth Proportional to 12,337.78, 17,020.92 and 7,559.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,337.78 : 17,020.92 = 7,559.59 : x
2. Step 2: Convert to fraction form
   12,337.78/17,020.92 = 7,559.59/x
3. Step 3: Cross multiply
   12,337.78x = 17,020.92 × 7,559.59
4. Step 4: Simplify right side
   12,337.78x = 128,671,176.62
5. Step 5: Solve for x
   x = 128,671,176.62/12,337.78
6. Step 6: Final answer
   x = 10,429.04