Finding the Fourth Proportional to 2,155.28, 3,234.54 and 1,460.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.28 : 3,234.54 = 1,460.30 : x
2. Step 2: Convert to fraction form
   2,155.28/3,234.54 = 1,460.30/x
3. Step 3: Cross multiply
   2,155.28x = 3,234.54 × 1,460.30
4. Step 4: Simplify right side
   2,155.28x = 4,723,398.76
5. Step 5: Solve for x
   x = 4,723,398.76/2,155.28
6. Step 6: Final answer
   x = 2,191.55