Finding the Fourth Proportional to 12,602.56, 17,391.84 and 7,567

Step by Step Solution

1. Step 1: Write the proportion equation
   12,602.56 : 17,391.84 = 7,567 : x
2. Step 2: Convert to fraction form
   12,602.56/17,391.84 = 7,567/x
3. Step 3: Cross multiply
   12,602.56x = 17,391.84 × 7,567
4. Step 4: Simplify right side
   12,602.56x = 131,604,053.28
5. Step 5: Solve for x
   x = 131,604,053.28/12,602.56
6. Step 6: Final answer
   x = 10,442.64