Finding the Fourth Proportional to 3,961.52, 5,468.76 and 3,587.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,961.52 : 5,468.76 = 3,587.12 : x
2. Step 2: Convert to fraction form
   3,961.52/5,468.76 = 3,587.12/x
3. Step 3: Cross multiply
   3,961.52x = 5,468.76 × 3,587.12
4. Step 4: Simplify right side
   3,961.52x = 19,617,098.37
5. Step 5: Solve for x
   x = 19,617,098.37/3,961.52
6. Step 6: Final answer
   x = 4,951.91