Finding the Fourth Proportional to 6,116.78, 8,440.98 and 3,464.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,116.78 : 8,440.98 = 3,464.42 : x
2. Step 2: Convert to fraction form
   6,116.78/8,440.98 = 3,464.42/x
3. Step 3: Cross multiply
   6,116.78x = 8,440.98 × 3,464.42
4. Step 4: Simplify right side
   6,116.78x = 29,243,099.93
5. Step 5: Solve for x
   x = 29,243,099.93/6,116.78
6. Step 6: Final answer
   x = 4,780.80