Finding the Fourth Proportional to 1,488.42, 2,229.27 and 793.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.42 : 2,229.27 = 793.86 : x
2. Step 2: Convert to fraction form
   1,488.42/2,229.27 = 793.86/x
3. Step 3: Cross multiply
   1,488.42x = 2,229.27 × 793.86
4. Step 4: Simplify right side
   1,488.42x = 1,769,728.28
5. Step 5: Solve for x
   x = 1,769,728.28/1,488.42
6. Step 6: Final answer
   x = 1,189.00