Finding the Fourth Proportional to 2,031.92, 2,803.02 and 1,442.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.92 : 2,803.02 = 1,442.72 : x
2. Step 2: Convert to fraction form
   2,031.92/2,803.02 = 1,442.72/x
3. Step 3: Cross multiply
   2,031.92x = 2,803.02 × 1,442.72
4. Step 4: Simplify right side
   2,031.92x = 4,043,973.01
5. Step 5: Solve for x
   x = 4,043,973.01/2,031.92
6. Step 6: Final answer
   x = 1,990.22