Finding the Fourth Proportional to 1,098.10, 1,514.82 and 743.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.10 : 1,514.82 = 743.86 : x
2. Step 2: Convert to fraction form
   1,098.10/1,514.82 = 743.86/x
3. Step 3: Cross multiply
   1,098.10x = 1,514.82 × 743.86
4. Step 4: Simplify right side
   1,098.10x = 1,126,814.01
5. Step 5: Solve for x
   x = 1,126,814.01/1,098.10
6. Step 6: Final answer
   x = 1,026.15