Finding the Fourth Proportional to 1,958.24, 2,931.59 and 1,715.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.24 : 2,931.59 = 1,715.24 : x
2. Step 2: Convert to fraction form
   1,958.24/2,931.59 = 1,715.24/x
3. Step 3: Cross multiply
   1,958.24x = 2,931.59 × 1,715.24
4. Step 4: Simplify right side
   1,958.24x = 5,028,392.05
5. Step 5: Solve for x
   x = 5,028,392.05/1,958.24
6. Step 6: Final answer
   x = 2,567.81