Finding the Fourth Proportional to 12,881.88, 17,773.92 and 7,846.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,881.88 : 17,773.92 = 7,846.02 : x
2. Step 2: Convert to fraction form
   12,881.88/17,773.92 = 7,846.02/x
3. Step 3: Cross multiply
   12,881.88x = 17,773.92 × 7,846.02
4. Step 4: Simplify right side
   12,881.88x = 139,454,531.80
5. Step 5: Solve for x
   x = 139,454,531.80/12,881.88
6. Step 6: Final answer
   x = 10,825.64