Finding the Fourth Proportional to 2,748.52, 4,122.87 and 800.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.52 : 4,122.87 = 800.87 : x
2. Step 2: Convert to fraction form
   2,748.52/4,122.87 = 800.87/x
3. Step 3: Cross multiply
   2,748.52x = 4,122.87 × 800.87
4. Step 4: Simplify right side
   2,748.52x = 3,301,882.90
5. Step 5: Solve for x
   x = 3,301,882.90/2,748.52
6. Step 6: Final answer
   x = 1,201.33