Finding the Fourth Proportional to 2,031.52, 2,802.80 and 1,192.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.52 : 2,802.80 = 1,192.10 : x
2. Step 2: Convert to fraction form
   2,031.52/2,802.80 = 1,192.10/x
3. Step 3: Cross multiply
   2,031.52x = 2,802.80 × 1,192.10
4. Step 4: Simplify right side
   2,031.52x = 3,341,217.88
5. Step 5: Solve for x
   x = 3,341,217.88/2,031.52
6. Step 6: Final answer
   x = 1,644.69