Finding the Fourth Proportional to 12,602.31, 17,398.16 and 7,567.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,602.31 : 17,398.16 = 7,567.75 : x
2. Step 2: Convert to fraction form
   12,602.31/17,398.16 = 7,567.75/x
3. Step 3: Cross multiply
   12,602.31x = 17,398.16 × 7,567.75
4. Step 4: Simplify right side
   12,602.31x = 131,664,925.34
5. Step 5: Solve for x
   x = 131,664,925.34/12,602.31
6. Step 6: Final answer
   x = 10,447.68