Finding the Fourth Proportional to 8,922.12, 12,312.59 and 4,943.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,922.12 : 12,312.59 = 4,943.49 : x
2. Step 2: Convert to fraction form
   8,922.12/12,312.59 = 4,943.49/x
3. Step 3: Cross multiply
   8,922.12x = 12,312.59 × 4,943.49
4. Step 4: Simplify right side
   8,922.12x = 60,867,140.82
5. Step 5: Solve for x
   x = 60,867,140.82/8,922.12
6. Step 6: Final answer
   x = 6,822.05