Finding the Fourth Proportional to 1,093.02, 1,637.37 and 819.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.02 : 1,637.37 = 819.42 : x
2. Step 2: Convert to fraction form
   1,093.02/1,637.37 = 819.42/x
3. Step 3: Cross multiply
   1,093.02x = 1,637.37 × 819.42
4. Step 4: Simplify right side
   1,093.02x = 1,341,693.73
5. Step 5: Solve for x
   x = 1,341,693.73/1,093.02
6. Step 6: Final answer
   x = 1,227.51