Finding the Fourth Proportional to 8,774.20, 12,108.98 and 4,946.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,774.20 : 12,108.98 = 4,946.78 : x
2. Step 2: Convert to fraction form
   8,774.20/12,108.98 = 4,946.78/x
3. Step 3: Cross multiply
   8,774.20x = 12,108.98 × 4,946.78
4. Step 4: Simplify right side
   8,774.20x = 59,900,447.72
5. Step 5: Solve for x
   x = 59,900,447.72/8,774.20
6. Step 6: Final answer
   x = 6,826.89