Finding the Fourth Proportional to 8,919.59, 12,309.27 and 4,941.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,919.59 : 12,309.27 = 4,941.05 : x
2. Step 2: Convert to fraction form
   8,919.59/12,309.27 = 4,941.05/x
3. Step 3: Cross multiply
   8,919.59x = 12,309.27 × 4,941.05
4. Step 4: Simplify right side
   8,919.59x = 60,820,718.53
5. Step 5: Solve for x
   x = 60,820,718.53/8,919.59
6. Step 6: Final answer
   x = 6,818.78