Finding the Fourth Proportional to 3,401.88, 5,098.98 and 1,671.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.88 : 5,098.98 = 1,671.72 : x
2. Step 2: Convert to fraction form
   3,401.88/5,098.98 = 1,671.72/x
3. Step 3: Cross multiply
   3,401.88x = 5,098.98 × 1,671.72
4. Step 4: Simplify right side
   3,401.88x = 8,524,066.85
5. Step 5: Solve for x
   x = 8,524,066.85/3,401.88
6. Step 6: Final answer
   x = 2,505.69