Finding the Fourth Proportional to 2,117.79, 2,923.98 and 1,322.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.79 : 2,923.98 = 1,322.33 : x
2. Step 2: Convert to fraction form
   2,117.79/2,923.98 = 1,322.33/x
3. Step 3: Cross multiply
   2,117.79x = 2,923.98 × 1,322.33
4. Step 4: Simplify right side
   2,117.79x = 3,866,451.85
5. Step 5: Solve for x
   x = 3,866,451.85/2,117.79
6. Step 6: Final answer
   x = 1,825.70