Finding the Fourth Proportional to 2,167.69, 2,990.71 and 1,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.69 : 2,990.71 = 1,327.52 : x
2. Step 2: Convert to fraction form
   2,167.69/2,990.71 = 1,327.52/x
3. Step 3: Cross multiply
   2,167.69x = 2,990.71 × 1,327.52
4. Step 4: Simplify right side
   2,167.69x = 3,970,227.34
5. Step 5: Solve for x
   x = 3,970,227.34/2,167.69
6. Step 6: Final answer
   x = 1,831.55