Finding the Fourth Proportional to 12,849.04, 17,738.28 and 7,883.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849.04 : 17,738.28 = 7,883.92 : x
2. Step 2: Convert to fraction form
   12,849.04/17,738.28 = 7,883.92/x
3. Step 3: Cross multiply
   12,849.04x = 17,738.28 × 7,883.92
4. Step 4: Simplify right side
   12,849.04x = 139,847,180.46
5. Step 5: Solve for x
   x = 139,847,180.46/12,849.04
6. Step 6: Final answer
   x = 10,883.86