Finding the Fourth Proportional to 2,168.88, 2,993.05 and 1,237.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.88 : 2,993.05 = 1,237.56 : x
2. Step 2: Convert to fraction form
   2,168.88/2,993.05 = 1,237.56/x
3. Step 3: Cross multiply
   2,168.88x = 2,993.05 × 1,237.56
4. Step 4: Simplify right side
   2,168.88x = 3,704,078.96
5. Step 5: Solve for x
   x = 3,704,078.96/2,168.88
6. Step 6: Final answer
   x = 1,707.83