Finding the Fourth Proportional to 1,047.33, 1,445.38 and 605.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.33 : 1,445.38 = 605.39 : x
2. Step 2: Convert to fraction form
   1,047.33/1,445.38 = 605.39/x
3. Step 3: Cross multiply
   1,047.33x = 1,445.38 × 605.39
4. Step 4: Simplify right side
   1,047.33x = 875,009.86
5. Step 5: Solve for x
   x = 875,009.86/1,047.33
6. Step 6: Final answer
   x = 835.47