Finding the Fourth Proportional to 1,136.39, 1,705.25 and 616.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.39 : 1,705.25 = 616.37 : x
2. Step 2: Convert to fraction form
   1,136.39/1,705.25 = 616.37/x
3. Step 3: Cross multiply
   1,136.39x = 1,705.25 × 616.37
4. Step 4: Simplify right side
   1,136.39x = 1,051,066.12
5. Step 5: Solve for x
   x = 1,051,066.12/1,136.39
6. Step 6: Final answer
   x = 924.92