Finding the Fourth Proportional to 1,105.94, 1,526.14 and 608.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.94 : 1,526.14 = 608.60 : x
2. Step 2: Convert to fraction form
   1,105.94/1,526.14 = 608.60/x
3. Step 3: Cross multiply
   1,105.94x = 1,526.14 × 608.60
4. Step 4: Simplify right side
   1,105.94x = 928,808.80
5. Step 5: Solve for x
   x = 928,808.80/1,105.94
6. Step 6: Final answer
   x = 839.84