Finding the Fourth Proportional to 1,625.61, 2,242.18 and 1,571.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625.61 : 2,242.18 = 1,571.37 : x
2. Step 2: Convert to fraction form
   1,625.61/2,242.18 = 1,571.37/x
3. Step 3: Cross multiply
   1,625.61x = 2,242.18 × 1,571.37
4. Step 4: Simplify right side
   1,625.61x = 3,523,294.39
5. Step 5: Solve for x
   x = 3,523,294.39/1,625.61
6. Step 6: Final answer
   x = 2,167.37