Finding the Fourth Proportional to 2,168.96, 2,992.32 and 1,339.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.96 : 2,992.32 = 1,339.52 : x
2. Step 2: Convert to fraction form
   2,168.96/2,992.32 = 1,339.52/x
3. Step 3: Cross multiply
   2,168.96x = 2,992.32 × 1,339.52
4. Step 4: Simplify right side
   2,168.96x = 4,008,272.49
5. Step 5: Solve for x
   x = 4,008,272.49/2,168.96
6. Step 6: Final answer
   x = 1,848.02