Finding the Fourth Proportional to 8,910.18, 12,294.28 and 4,930.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.18 : 12,294.28 = 4,930.54 : x
2. Step 2: Convert to fraction form
   8,910.18/12,294.28 = 4,930.54/x
3. Step 3: Cross multiply
   8,910.18x = 12,294.28 × 4,930.54
4. Step 4: Simplify right side
   8,910.18x = 60,617,439.31
5. Step 5: Solve for x
   x = 60,617,439.31/8,910.18
6. Step 6: Final answer
   x = 6,803.17