Finding the Fourth Proportional to 2,444.31, 3,666.69 and 800.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.31 : 3,666.69 = 800.86 : x
2. Step 2: Convert to fraction form
   2,444.31/3,666.69 = 800.86/x
3. Step 3: Cross multiply
   2,444.31x = 3,666.69 × 800.86
4. Step 4: Simplify right side
   2,444.31x = 2,936,505.35
5. Step 5: Solve for x
   x = 2,936,505.35/2,444.31
6. Step 6: Final answer
   x = 1,201.36