Finding the Fourth Proportional to 2,168.56, 2,992.08 and 1,283.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.56 : 2,992.08 = 1,283.86 : x
2. Step 2: Convert to fraction form
   2,168.56/2,992.08 = 1,283.86/x
3. Step 3: Cross multiply
   2,168.56x = 2,992.08 × 1,283.86
4. Step 4: Simplify right side
   2,168.56x = 3,841,411.83
5. Step 5: Solve for x
   x = 3,841,411.83/2,168.56
6. Step 6: Final answer
   x = 1,771.41