Finding the Fourth Proportional to 1,715.29, 2,572.54 and 1,022.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.29 : 2,572.54 = 1,022.15 : x
2. Step 2: Convert to fraction form
   1,715.29/2,572.54 = 1,022.15/x
3. Step 3: Cross multiply
   1,715.29x = 2,572.54 × 1,022.15
4. Step 4: Simplify right side
   1,715.29x = 2,629,523.04
5. Step 5: Solve for x
   x = 2,629,523.04/1,715.29
6. Step 6: Final answer
   x = 1,532.99