Finding the Fourth Proportional to 5,630.33, 8,443.74 and 2,120.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,630.33 : 8,443.74 = 2,120.83 : x
2. Step 2: Convert to fraction form
   5,630.33/8,443.74 = 2,120.83/x
3. Step 3: Cross multiply
   5,630.33x = 8,443.74 × 2,120.83
4. Step 4: Simplify right side
   5,630.33x = 17,907,737.10
5. Step 5: Solve for x
   x = 17,907,737.10/5,630.33
6. Step 6: Final answer
   x = 3,180.58