Finding the Fourth Proportional to 1,767.87, 2,439.39 and 1,059.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767.87 : 2,439.39 = 1,059.54 : x
2. Step 2: Convert to fraction form
   1,767.87/2,439.39 = 1,059.54/x
3. Step 3: Cross multiply
   1,767.87x = 2,439.39 × 1,059.54
4. Step 4: Simplify right side
   1,767.87x = 2,584,631.28
5. Step 5: Solve for x
   x = 2,584,631.28/1,767.87
6. Step 6: Final answer
   x = 1,462.00