Finding the Fourth Proportional to 788.50, 1,086.16 and 737.47

Step by Step Solution

1. Step 1: Write the proportion equation
   788.50 : 1,086.16 = 737.47 : x
2. Step 2: Convert to fraction form
   788.50/1,086.16 = 737.47/x
3. Step 3: Cross multiply
   788.50x = 1,086.16 × 737.47
4. Step 4: Simplify right side
   788.50x = 801,010.42
5. Step 5: Solve for x
   x = 801,010.42/788.50
6. Step 6: Final answer
   x = 1,015.87