Finding the Fourth Proportional to 5,978.48, 8,250.84 and 3,620.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.48 : 8,250.84 = 3,620.48 : x
2. Step 2: Convert to fraction form
   5,978.48/8,250.84 = 3,620.48/x
3. Step 3: Cross multiply
   5,978.48x = 8,250.84 × 3,620.48
4. Step 4: Simplify right side
   5,978.48x = 29,872,001.20
5. Step 5: Solve for x
   x = 29,872,001.20/5,978.48
6. Step 6: Final answer
   x = 4,996.59