Finding the Fourth Proportional to 8,920.67, 12,310.25 and 4,941.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,920.67 : 12,310.25 = 4,941.69 : x
2. Step 2: Convert to fraction form
   8,920.67/12,310.25 = 4,941.69/x
3. Step 3: Cross multiply
   8,920.67x = 12,310.25 × 4,941.69
4. Step 4: Simplify right side
   8,920.67x = 60,833,414.61
5. Step 5: Solve for x
   x = 60,833,414.61/8,920.67
6. Step 6: Final answer
   x = 6,819.38