Finding the Fourth Proportional to 8,916.18, 12,304.71 and 4,937.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,916.18 : 12,304.71 = 4,937.30 : x
2. Step 2: Convert to fraction form
   8,916.18/12,304.71 = 4,937.30/x
3. Step 3: Cross multiply
   8,916.18x = 12,304.71 × 4,937.30
4. Step 4: Simplify right side
   8,916.18x = 60,752,098.52
5. Step 5: Solve for x
   x = 60,752,098.52/8,916.18
6. Step 6: Final answer
   x = 6,813.69