Finding the Fourth Proportional to 1,571.67, 2,340.39 and 1,554.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.67 : 2,340.39 = 1,554.41 : x
2. Step 2: Convert to fraction form
   1,571.67/2,340.39 = 1,554.41/x
3. Step 3: Cross multiply
   1,571.67x = 2,340.39 × 1,554.41
4. Step 4: Simplify right side
   1,571.67x = 3,637,937.30
5. Step 5: Solve for x
   x = 3,637,937.30/1,571.67
6. Step 6: Final answer
   x = 2,314.70