Finding the Fourth Proportional to 12,863.04, 17,743.56 and 7,556.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,863.04 : 17,743.56 = 7,556.76 : x
2. Step 2: Convert to fraction form
   12,863.04/17,743.56 = 7,556.76/x
3. Step 3: Cross multiply
   12,863.04x = 17,743.56 × 7,556.76
4. Step 4: Simplify right side
   12,863.04x = 134,083,824.47
5. Step 5: Solve for x
   x = 134,083,824.47/12,863.04
6. Step 6: Final answer
   x = 10,423.96