Finding the Fourth Proportional to 2,445.18, 3,667.39 and 801.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.18 : 3,667.39 = 801.72 : x
2. Step 2: Convert to fraction form
   2,445.18/3,667.39 = 801.72/x
3. Step 3: Cross multiply
   2,445.18x = 3,667.39 × 801.72
4. Step 4: Simplify right side
   2,445.18x = 2,940,219.91
5. Step 5: Solve for x
   x = 2,940,219.91/2,445.18
6. Step 6: Final answer
   x = 1,202.46