Finding the Fourth Proportional to 5,724.83, 8,574.56 and 4,398.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,724.83 : 8,574.56 = 4,398.82 : x
2. Step 2: Convert to fraction form
   5,724.83/8,574.56 = 4,398.82/x
3. Step 3: Cross multiply
   5,724.83x = 8,574.56 × 4,398.82
4. Step 4: Simplify right side
   5,724.83x = 37,717,967.32
5. Step 5: Solve for x
   x = 37,717,967.32/5,724.83
6. Step 6: Final answer
   x = 6,588.49