Finding the Fourth Proportional to 2,445.72, 3,668.54 and 801.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,445.72 : 3,668.54 = 801.88 : x
2. Step 2: Convert to fraction form
   2,445.72/3,668.54 = 801.88/x
3. Step 3: Cross multiply
   2,445.72x = 3,668.54 × 801.88
4. Step 4: Simplify right side
   2,445.72x = 2,941,728.86
5. Step 5: Solve for x
   x = 2,941,728.86/2,445.72
6. Step 6: Final answer
   x = 1,202.81