Finding the Fourth Proportional to 5,356.32, 8,019.98 and 3,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,356.32 : 8,019.98 = 3,789.88 : x
2. Step 2: Convert to fraction form
   5,356.32/8,019.98 = 3,789.88/x
3. Step 3: Cross multiply
   5,356.32x = 8,019.98 × 3,789.88
4. Step 4: Simplify right side
   5,356.32x = 30,394,761.80
5. Step 5: Solve for x
   x = 30,394,761.80/5,356.32
6. Step 6: Final answer
   x = 5,674.56