Finding the Fourth Proportional to 2,168.72, 2,993.16 and 1,237.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.72 : 2,993.16 = 1,237.52 : x
2. Step 2: Convert to fraction form
   2,168.72/2,993.16 = 1,237.52/x
3. Step 3: Cross multiply
   2,168.72x = 2,993.16 × 1,237.52
4. Step 4: Simplify right side
   2,168.72x = 3,704,095.36
5. Step 5: Solve for x
   x = 3,704,095.36/2,168.72
6. Step 6: Final answer
   x = 1,707.96