Finding the Fourth Proportional to 5,420.06, 7,479.83 and 3,062.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,420.06 : 7,479.83 = 3,062.15 : x
2. Step 2: Convert to fraction form
   5,420.06/7,479.83 = 3,062.15/x
3. Step 3: Cross multiply
   5,420.06x = 7,479.83 × 3,062.15
4. Step 4: Simplify right side
   5,420.06x = 22,904,342.52
5. Step 5: Solve for x
   x = 22,904,342.52/5,420.06
6. Step 6: Final answer
   x = 4,225.85