Finding the Fourth Proportional to 1,571.86, 2,169.25 and 942.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.86 : 2,169.25 = 942.49 : x
2. Step 2: Convert to fraction form
   1,571.86/2,169.25 = 942.49/x
3. Step 3: Cross multiply
   1,571.86x = 2,169.25 × 942.49
4. Step 4: Simplify right side
   1,571.86x = 2,044,488.65
5. Step 5: Solve for x
   x = 2,044,488.65/1,571.86
6. Step 6: Final answer
   x = 1,300.68