Finding the Fourth Proportional to 2,192.10, 3,026.34 and 1,445.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.10 : 3,026.34 = 1,445.78 : x
2. Step 2: Convert to fraction form
   2,192.10/3,026.34 = 1,445.78/x
3. Step 3: Cross multiply
   2,192.10x = 3,026.34 × 1,445.78
4. Step 4: Simplify right side
   2,192.10x = 4,375,421.85
5. Step 5: Solve for x
   x = 4,375,421.85/2,192.10
6. Step 6: Final answer
   x = 1,996.00