Finding the Fourth Proportional to 12,584.79, 17,365.61 and 7,549.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584.79 : 17,365.61 = 7,549.22 : x
2. Step 2: Convert to fraction form
   12,584.79/17,365.61 = 7,549.22/x
3. Step 3: Cross multiply
   12,584.79x = 17,365.61 × 7,549.22
4. Step 4: Simplify right side
   12,584.79x = 131,096,872.61
5. Step 5: Solve for x
   x = 131,096,872.61/12,584.79
6. Step 6: Final answer
   x = 10,417.09