Finding the Fourth Proportional to 1,571.54, 2,167.50 and 1,151.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.54 : 2,167.50 = 1,151.73 : x
2. Step 2: Convert to fraction form
   1,571.54/2,167.50 = 1,151.73/x
3. Step 3: Cross multiply
   1,571.54x = 2,167.50 × 1,151.73
4. Step 4: Simplify right side
   1,571.54x = 2,496,379.09
5. Step 5: Solve for x
   x = 2,496,379.09/1,571.54
6. Step 6: Final answer
   x = 1,588.50