Finding the Fourth Proportional to 8,920.74, 12,310.74 and 4,941.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,920.74 : 12,310.74 = 4,941.93 : x
2. Step 2: Convert to fraction form
   8,920.74/12,310.74 = 4,941.93/x
3. Step 3: Cross multiply
   8,920.74x = 12,310.74 × 4,941.93
4. Step 4: Simplify right side
   8,920.74x = 60,838,815.33
5. Step 5: Solve for x
   x = 60,838,815.33/8,920.74
6. Step 6: Final answer
   x = 6,819.93