Finding the Fourth Proportional to 1,047.43, 1,445.33 and 605.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.43 : 1,445.33 = 605.48 : x
2. Step 2: Convert to fraction form
   1,047.43/1,445.33 = 605.48/x
3. Step 3: Cross multiply
   1,047.43x = 1,445.33 × 605.48
4. Step 4: Simplify right side
   1,047.43x = 875,123.54
5. Step 5: Solve for x
   x = 875,123.54/1,047.43
6. Step 6: Final answer
   x = 835.50