Finding the Fourth Proportional to 12,869.59, 17,763.54 and 7,566.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,869.59 : 17,763.54 = 7,566.13 : x
2. Step 2: Convert to fraction form
   12,869.59/17,763.54 = 7,566.13/x
3. Step 3: Cross multiply
   12,869.59x = 17,763.54 × 7,566.13
4. Step 4: Simplify right side
   12,869.59x = 134,401,252.90
5. Step 5: Solve for x
   x = 134,401,252.90/12,869.59
6. Step 6: Final answer
   x = 10,443.32