Finding the Fourth Proportional to 2,155.72, 3,231.38 and 1,462.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.72 : 3,231.38 = 1,462.46 : x
2. Step 2: Convert to fraction form
   2,155.72/3,231.38 = 1,462.46/x
3. Step 3: Cross multiply
   2,155.72x = 3,231.38 × 1,462.46
4. Step 4: Simplify right side
   2,155.72x = 4,725,763.99
5. Step 5: Solve for x
   x = 4,725,763.99/2,155.72
6. Step 6: Final answer
   x = 2,192.20