Finding the Fourth Proportional to 8,916.72, 12,303.82 and 4,938.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,916.72 : 12,303.82 = 4,938.08 : x
2. Step 2: Convert to fraction form
   8,916.72/12,303.82 = 4,938.08/x
3. Step 3: Cross multiply
   8,916.72x = 12,303.82 × 4,938.08
4. Step 4: Simplify right side
   8,916.72x = 60,757,247.47
5. Step 5: Solve for x
   x = 60,757,247.47/8,916.72
6. Step 6: Final answer
   x = 6,813.86