Finding the Fourth Proportional to 2,160.56, 3,238.68 and 1,063.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.56 : 3,238.68 = 1,063.28 : x
2. Step 2: Convert to fraction form
   2,160.56/3,238.68 = 1,063.28/x
3. Step 3: Cross multiply
   2,160.56x = 3,238.68 × 1,063.28
4. Step 4: Simplify right side
   2,160.56x = 3,443,623.67
5. Step 5: Solve for x
   x = 3,443,623.67/2,160.56
6. Step 6: Final answer
   x = 1,593.86