Finding the Fourth Proportional to 1,722.50, 2,383.31 and 1,501.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.50 : 2,383.31 = 1,501.91 : x
2. Step 2: Convert to fraction form
   1,722.50/2,383.31 = 1,501.91/x
3. Step 3: Cross multiply
   1,722.50x = 2,383.31 × 1,501.91
4. Step 4: Simplify right side
   1,722.50x = 3,579,517.12
5. Step 5: Solve for x
   x = 3,579,517.12/1,722.50
6. Step 6: Final answer
   x = 2,078.09