Finding the Fourth Proportional to 9,422.88, 12,998.07 and 5,879.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.88 : 12,998.07 = 5,879.94 : x
2. Step 2: Convert to fraction form
   9,422.88/12,998.07 = 5,879.94/x
3. Step 3: Cross multiply
   9,422.88x = 12,998.07 × 5,879.94
4. Step 4: Simplify right side
   9,422.88x = 76,427,871.72
5. Step 5: Solve for x
   x = 76,427,871.72/9,422.88
6. Step 6: Final answer
   x = 8,110.88