Finding the Fourth Proportional to 3,981.03, 5,493.57 and 2,488.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.03 : 5,493.57 = 2,488.88 : x
2. Step 2: Convert to fraction form
   3,981.03/5,493.57 = 2,488.88/x
3. Step 3: Cross multiply
   3,981.03x = 5,493.57 × 2,488.88
4. Step 4: Simplify right side
   3,981.03x = 13,672,809.03
5. Step 5: Solve for x
   x = 13,672,809.03/3,981.03
6. Step 6: Final answer
   x = 3,434.49