Finding the Fourth Proportional to 2,077.32, 2,864.55 and 1,448.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.32 : 2,864.55 = 1,448.55 : x
2. Step 2: Convert to fraction form
   2,077.32/2,864.55 = 1,448.55/x
3. Step 3: Cross multiply
   2,077.32x = 2,864.55 × 1,448.55
4. Step 4: Simplify right side
   2,077.32x = 4,149,443.90
5. Step 5: Solve for x
   x = 4,149,443.90/2,077.32
6. Step 6: Final answer
   x = 1,997.50