Finding the Fourth Proportional to 8,920.54, 12,310.18 and 4,941.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,920.54 : 12,310.18 = 4,941.69 : x
2. Step 2: Convert to fraction form
   8,920.54/12,310.18 = 4,941.69/x
3. Step 3: Cross multiply
   8,920.54x = 12,310.18 × 4,941.69
4. Step 4: Simplify right side
   8,920.54x = 60,833,034.89
5. Step 5: Solve for x
   x = 60,833,034.89/8,920.54
6. Step 6: Final answer
   x = 6,819.43