Finding the Fourth Proportional to 3,921.59, 5,881.98 and 2,456.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.59 : 5,881.98 = 2,456.30 : x
2. Step 2: Convert to fraction form
   3,921.59/5,881.98 = 2,456.30/x
3. Step 3: Cross multiply
   3,921.59x = 5,881.98 × 2,456.30
4. Step 4: Simplify right side
   3,921.59x = 14,447,907.47
5. Step 5: Solve for x
   x = 14,447,907.47/3,921.59
6. Step 6: Final answer
   x = 3,684.20