Finding the Fourth Proportional to 1,098.34, 1,514.91 and 819.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.34 : 1,514.91 = 819.52 : x
2. Step 2: Convert to fraction form
   1,098.34/1,514.91 = 819.52/x
3. Step 3: Cross multiply
   1,098.34x = 1,514.91 × 819.52
4. Step 4: Simplify right side
   1,098.34x = 1,241,499.04
5. Step 5: Solve for x
   x = 1,241,499.04/1,098.34
6. Step 6: Final answer
   x = 1,130.34