Finding the Fourth Proportional to 1,571.34, 2,371.78 and 1,571.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.34 : 2,371.78 = 1,571.34 : x
2. Step 2: Convert to fraction form
   1,571.34/2,371.78 = 1,571.34/x
3. Step 3: Cross multiply
   1,571.34x = 2,371.78 × 1,571.34
4. Step 4: Simplify right side
   1,571.34x = 3,726,868.86
5. Step 5: Solve for x
   x = 3,726,868.86/1,571.34
6. Step 6: Final answer
   x = 2,371.78