Finding the Fourth Proportional to 2,444.18, 3,665.89 and 800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.18 : 3,665.89 = 800.72 : x
2. Step 2: Convert to fraction form
   2,444.18/3,665.89 = 800.72/x
3. Step 3: Cross multiply
   2,444.18x = 3,665.89 × 800.72
4. Step 4: Simplify right side
   2,444.18x = 2,935,347.86
5. Step 5: Solve for x
   x = 2,935,347.86/2,444.18
6. Step 6: Final answer
   x = 1,200.96