Finding the Fourth Proportional to 5,496.20, 7,584.76 and 2,978.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,496.20 : 7,584.76 = 2,978.31 : x
2. Step 2: Convert to fraction form
   5,496.20/7,584.76 = 2,978.31/x
3. Step 3: Cross multiply
   5,496.20x = 7,584.76 × 2,978.31
4. Step 4: Simplify right side
   5,496.20x = 22,589,798.72
5. Step 5: Solve for x
   x = 22,589,798.72/5,496.20
6. Step 6: Final answer
   x = 4,110.08