Finding the Fourth Proportional to 12,601.31, 17,396.78 and 7,566.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,601.31 : 17,396.78 = 7,566.75 : x
2. Step 2: Convert to fraction form
   12,601.31/17,396.78 = 7,566.75/x
3. Step 3: Cross multiply
   12,601.31x = 17,396.78 × 7,566.75
4. Step 4: Simplify right side
   12,601.31x = 131,637,047.23
5. Step 5: Solve for x
   x = 131,637,047.23/12,601.31
6. Step 6: Final answer
   x = 10,446.30