Finding the Fourth Proportional to 2,151.52, 3,231.12 and 1,762.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.52 : 3,231.12 = 1,762.26 : x
2. Step 2: Convert to fraction form
   2,151.52/3,231.12 = 1,762.26/x
3. Step 3: Cross multiply
   2,151.52x = 3,231.12 × 1,762.26
4. Step 4: Simplify right side
   2,151.52x = 5,694,073.53
5. Step 5: Solve for x
   x = 5,694,073.53/2,151.52
6. Step 6: Final answer
   x = 2,646.54