Finding the Fourth Proportional to 2,755.80, 3,791.72 and 2,381.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.80 : 3,791.72 = 2,381.58 : x
2. Step 2: Convert to fraction form
   2,755.80/3,791.72 = 2,381.58/x
3. Step 3: Cross multiply
   2,755.80x = 3,791.72 × 2,381.58
4. Step 4: Simplify right side
   2,755.80x = 9,030,284.52
5. Step 5: Solve for x
   x = 9,030,284.52/2,755.80
6. Step 6: Final answer
   x = 3,276.83