Finding the Fourth Proportional to 5,435.50, 8,128.33 and 4,049.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.50 : 8,128.33 = 4,049.78 : x
2. Step 2: Convert to fraction form
   5,435.50/8,128.33 = 4,049.78/x
3. Step 3: Cross multiply
   5,435.50x = 8,128.33 × 4,049.78
4. Step 4: Simplify right side
   5,435.50x = 32,917,948.27
5. Step 5: Solve for x
   x = 32,917,948.27/5,435.50
6. Step 6: Final answer
   x = 6,056.10