Finding the Fourth Proportional to 3,981.61, 5,494.80 and 2,411.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.61 : 5,494.80 = 2,411.02 : x
2. Step 2: Convert to fraction form
   3,981.61/5,494.80 = 2,411.02/x
3. Step 3: Cross multiply
   3,981.61x = 5,494.80 × 2,411.02
4. Step 4: Simplify right side
   3,981.61x = 13,248,072.70
5. Step 5: Solve for x
   x = 13,248,072.70/3,981.61
6. Step 6: Final answer
   x = 3,327.32