Finding the Fourth Proportional to 1,892.50, 2,610.56 and 1,571.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.50 : 2,610.56 = 1,571.66 : x
2. Step 2: Convert to fraction form
   1,892.50/2,610.56 = 1,571.66/x
3. Step 3: Cross multiply
   1,892.50x = 2,610.56 × 1,571.66
4. Step 4: Simplify right side
   1,892.50x = 4,102,912.73
5. Step 5: Solve for x
   x = 4,102,912.73/1,892.50
6. Step 6: Final answer
   x = 2,167.99