Finding the Fourth Proportional to 5,442.06, 8,162.91 and 2,978.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,442.06 : 8,162.91 = 2,978.04 : x
2. Step 2: Convert to fraction form
   5,442.06/8,162.91 = 2,978.04/x
3. Step 3: Cross multiply
   5,442.06x = 8,162.91 × 2,978.04
4. Step 4: Simplify right side
   5,442.06x = 24,309,472.50
5. Step 5: Solve for x
   x = 24,309,472.50/5,442.06
6. Step 6: Final answer
   x = 4,466.96