Finding the Fourth Proportional to 1,047.48, 1,445.54 and 605.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.48 : 1,445.54 = 605.37 : x
2. Step 2: Convert to fraction form
   1,047.48/1,445.54 = 605.37/x
3. Step 3: Cross multiply
   1,047.48x = 1,445.54 × 605.37
4. Step 4: Simplify right side
   1,047.48x = 875,086.55
5. Step 5: Solve for x
   x = 875,086.55/1,047.48
6. Step 6: Final answer
   x = 835.42