Finding the Fourth Proportional to 8,920.53, 12,310.34 and 4,941.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,920.53 : 12,310.34 = 4,941.59 : x
2. Step 2: Convert to fraction form
   8,920.53/12,310.34 = 4,941.59/x
3. Step 3: Cross multiply
   8,920.53x = 12,310.34 × 4,941.59
4. Step 4: Simplify right side
   8,920.53x = 60,832,566.78
5. Step 5: Solve for x
   x = 60,832,566.78/8,920.53
6. Step 6: Final answer
   x = 6,819.39