Finding the Fourth Proportional to 1,768.56, 2,440.12 and 1,059.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.56 : 2,440.12 = 1,059.96 : x
2. Step 2: Convert to fraction form
   1,768.56/2,440.12 = 1,059.96/x
3. Step 3: Cross multiply
   1,768.56x = 2,440.12 × 1,059.96
4. Step 4: Simplify right side
   1,768.56x = 2,586,429.60
5. Step 5: Solve for x
   x = 2,586,429.60/1,768.56
6. Step 6: Final answer
   x = 1,462.45