Finding the Fourth Proportional to 1,571.82, 2,357.76 and 792.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.82 : 2,357.76 = 792.24 : x
2. Step 2: Convert to fraction form
   1,571.82/2,357.76 = 792.24/x
3. Step 3: Cross multiply
   1,571.82x = 2,357.76 × 792.24
4. Step 4: Simplify right side
   1,571.82x = 1,867,911.78
5. Step 5: Solve for x
   x = 1,867,911.78/1,571.82
6. Step 6: Final answer
   x = 1,188.38