Finding the Fourth Proportional to 1,047.83, 1,445.88 and 605.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.83 : 1,445.88 = 605.87 : x
2. Step 2: Convert to fraction form
   1,047.83/1,445.88 = 605.87/x
3. Step 3: Cross multiply
   1,047.83x = 1,445.88 × 605.87
4. Step 4: Simplify right side
   1,047.83x = 876,008.09
5. Step 5: Solve for x
   x = 876,008.09/1,047.83
6. Step 6: Final answer
   x = 836.03