Finding the Fourth Proportional to 1,523.72, 2,287.54 and 793.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,523.72 : 2,287.54 = 793.80 : x
2. Step 2: Convert to fraction form
   1,523.72/2,287.54 = 793.80/x
3. Step 3: Cross multiply
   1,523.72x = 2,287.54 × 793.80
4. Step 4: Simplify right side
   1,523.72x = 1,815,849.25
5. Step 5: Solve for x
   x = 1,815,849.25/1,523.72
6. Step 6: Final answer
   x = 1,191.72