Finding the Fourth Proportional to 2,117.29, 2,923.29 and 1,321.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.29 : 2,923.29 = 1,321.83 : x
2. Step 2: Convert to fraction form
   2,117.29/2,923.29 = 1,321.83/x
3. Step 3: Cross multiply
   2,117.29x = 2,923.29 × 1,321.83
4. Step 4: Simplify right side
   2,117.29x = 3,864,077.80
5. Step 5: Solve for x
   x = 3,864,077.80/2,117.29
6. Step 6: Final answer
   x = 1,825.01