Finding the Fourth Proportional to 8,909.97, 12,294.69 and 4,930.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,909.97 : 12,294.69 = 4,930.54 : x
2. Step 2: Convert to fraction form
   8,909.97/12,294.69 = 4,930.54/x
3. Step 3: Cross multiply
   8,909.97x = 12,294.69 × 4,930.54
4. Step 4: Simplify right side
   8,909.97x = 60,619,460.83
5. Step 5: Solve for x
   x = 60,619,460.83/8,909.97
6. Step 6: Final answer
   x = 6,803.55