Finding the Fourth Proportional to 1,158.34, 1,735.47 and 609.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.34 : 1,735.47 = 609.22 : x
2. Step 2: Convert to fraction form
   1,158.34/1,735.47 = 609.22/x
3. Step 3: Cross multiply
   1,158.34x = 1,735.47 × 609.22
4. Step 4: Simplify right side
   1,158.34x = 1,057,283.03
5. Step 5: Solve for x
   x = 1,057,283.03/1,158.34
6. Step 6: Final answer
   x = 912.76