Finding the Fourth Proportional to 1,758.69, 2,426.85 and 1,571.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.69 : 2,426.85 = 1,571.58 : x
2. Step 2: Convert to fraction form
   1,758.69/2,426.85 = 1,571.58/x
3. Step 3: Cross multiply
   1,758.69x = 2,426.85 × 1,571.58
4. Step 4: Simplify right side
   1,758.69x = 3,813,988.92
5. Step 5: Solve for x
   x = 3,813,988.92/1,758.69
6. Step 6: Final answer
   x = 2,168.65