Finding the Fourth Proportional to 737.61, 1,111.72 and 636.12

Step by Step Solution

1. Step 1: Write the proportion equation
   737.61 : 1,111.72 = 636.12 : x
2. Step 2: Convert to fraction form
   737.61/1,111.72 = 636.12/x
3. Step 3: Cross multiply
   737.61x = 1,111.72 × 636.12
4. Step 4: Simplify right side
   737.61x = 707,187.33
5. Step 5: Solve for x
   x = 707,187.33/737.61
6. Step 6: Final answer
   x = 958.76