Finding the Fourth Proportional to 1,182.28, 1,772.34 and 605.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.28 : 1,772.34 = 605.02 : x
2. Step 2: Convert to fraction form
   1,182.28/1,772.34 = 605.02/x
3. Step 3: Cross multiply
   1,182.28x = 1,772.34 × 605.02
4. Step 4: Simplify right side
   1,182.28x = 1,072,301.15
5. Step 5: Solve for x
   x = 1,072,301.15/1,182.28
6. Step 6: Final answer
   x = 906.98