Finding the Fourth Proportional to 2,755.98, 4,139.46 and 2,690.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.98 : 4,139.46 = 2,690.46 : x
2. Step 2: Convert to fraction form
   2,755.98/4,139.46 = 2,690.46/x
3. Step 3: Cross multiply
   2,755.98x = 4,139.46 × 2,690.46
4. Step 4: Simplify right side
   2,755.98x = 11,137,051.55
5. Step 5: Solve for x
   x = 11,137,051.55/2,755.98
6. Step 6: Final answer
   x = 4,041.05