Finding the Fourth Proportional to 8,139.89, 12,208.12 and 2,294.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,139.89 : 12,208.12 = 2,294.93 : x
2. Step 2: Convert to fraction form
   8,139.89/12,208.12 = 2,294.93/x
3. Step 3: Cross multiply
   8,139.89x = 12,208.12 × 2,294.93
4. Step 4: Simplify right side
   8,139.89x = 28,016,780.83
5. Step 5: Solve for x
   x = 28,016,780.83/8,139.89
6. Step 6: Final answer
   x = 3,441.91