Finding the Fourth Proportional to 1,093.76, 1,508.38 and 814.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.76 : 1,508.38 = 814.69 : x
2. Step 2: Convert to fraction form
   1,093.76/1,508.38 = 814.69/x
3. Step 3: Cross multiply
   1,093.76x = 1,508.38 × 814.69
4. Step 4: Simplify right side
   1,093.76x = 1,228,862.10
5. Step 5: Solve for x
   x = 1,228,862.10/1,093.76
6. Step 6: Final answer
   x = 1,123.52