Finding the Fourth Proportional to 5,508.72, 8,264.88 and 2,587.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,508.72 : 8,264.88 = 2,587.32 : x
2. Step 2: Convert to fraction form
   5,508.72/8,264.88 = 2,587.32/x
3. Step 3: Cross multiply
   5,508.72x = 8,264.88 × 2,587.32
4. Step 4: Simplify right side
   5,508.72x = 21,383,889.32
5. Step 5: Solve for x
   x = 21,383,889.32/5,508.72
6. Step 6: Final answer
   x = 3,881.83