Finding the Fourth Proportional to 3,398.89, 4,676.43 and 2,755.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,398.89 : 4,676.43 = 2,755.10 : x
2. Step 2: Convert to fraction form
   3,398.89/4,676.43 = 2,755.10/x
3. Step 3: Cross multiply
   3,398.89x = 4,676.43 × 2,755.10
4. Step 4: Simplify right side
   3,398.89x = 12,884,002.02
5. Step 5: Solve for x
   x = 12,884,002.02/3,398.89
6. Step 6: Final answer
   x = 3,790.65