Finding the Fourth Proportional to 4,050.72, 5,587.20 and 3,108.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,050.72 : 5,587.20 = 3,108.96 : x
2. Step 2: Convert to fraction form
   4,050.72/5,587.20 = 3,108.96/x
3. Step 3: Cross multiply
   4,050.72x = 5,587.20 × 3,108.96
4. Step 4: Simplify right side
   4,050.72x = 17,370,381.31
5. Step 5: Solve for x
   x = 17,370,381.31/4,050.72
6. Step 6: Final answer
   x = 4,288.22