Finding the Fourth Proportional to 2,097.86, 2,895.21 and 1,311.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.86 : 2,895.21 = 1,311.75 : x
2. Step 2: Convert to fraction form
   2,097.86/2,895.21 = 1,311.75/x
3. Step 3: Cross multiply
   2,097.86x = 2,895.21 × 1,311.75
4. Step 4: Simplify right side
   2,097.86x = 3,797,791.72
5. Step 5: Solve for x
   x = 3,797,791.72/2,097.86
6. Step 6: Final answer
   x = 1,810.32