Finding the Fourth Proportional to 2,881.44, 4,321.98 and 801.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881.44 : 4,321.98 = 801.72 : x
2. Step 2: Convert to fraction form
   2,881.44/4,321.98 = 801.72/x
3. Step 3: Cross multiply
   2,881.44x = 4,321.98 × 801.72
4. Step 4: Simplify right side
   2,881.44x = 3,465,017.81
5. Step 5: Solve for x
   x = 3,465,017.81/2,881.44
6. Step 6: Final answer
   x = 1,202.53