Finding the Fourth Proportional to 12,869.96, 17,763.98 and 7,568.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,869.96 : 17,763.98 = 7,568.30 : x
2. Step 2: Convert to fraction form
   12,869.96/17,763.98 = 7,568.30/x
3. Step 3: Cross multiply
   12,869.96x = 17,763.98 × 7,568.30
4. Step 4: Simplify right side
   12,869.96x = 134,443,136.40
5. Step 5: Solve for x
   x = 134,443,136.40/12,869.96
6. Step 6: Final answer
   x = 10,446.28