Finding the Fourth Proportional to 1,136.25, 1,702.98 and 616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136.25 : 1,702.98 = 616.50 : x
2. Step 2: Convert to fraction form
   1,136.25/1,702.98 = 616.50/x
3. Step 3: Cross multiply
   1,136.25x = 1,702.98 × 616.50
4. Step 4: Simplify right side
   1,136.25x = 1,049,887.17
5. Step 5: Solve for x
   x = 1,049,887.17/1,136.25
6. Step 6: Final answer
   x = 923.99