Finding the Fourth Proportional to 8,922.62, 12,312.72 and 4,943.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922.62 : 12,312.72 = 4,943.48 : x
2. Step 2: Convert to fraction form
   8,922.62/12,312.72 = 4,943.48/x
3. Step 3: Cross multiply
   8,922.62x = 12,312.72 × 4,943.48
4. Step 4: Simplify right side
   8,922.62x = 60,867,685.07
5. Step 5: Solve for x
   x = 60,867,685.07/8,922.62
6. Step 6: Final answer
   x = 6,821.73