Finding the Fourth Proportional to 1,160.33, 1,737.86 and 613.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.33 : 1,737.86 = 613.17 : x
2. Step 2: Convert to fraction form
   1,160.33/1,737.86 = 613.17/x
3. Step 3: Cross multiply
   1,160.33x = 1,737.86 × 613.17
4. Step 4: Simplify right side
   1,160.33x = 1,065,600.55
5. Step 5: Solve for x
   x = 1,065,600.55/1,160.33
6. Step 6: Final answer
   x = 918.36