Finding the Fourth Proportional to 1,744.56, 2,619.72 and 1,064.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.56 : 2,619.72 = 1,064.88 : x
2. Step 2: Convert to fraction form
   1,744.56/2,619.72 = 1,064.88/x
3. Step 3: Cross multiply
   1,744.56x = 2,619.72 × 1,064.88
4. Step 4: Simplify right side
   1,744.56x = 2,789,687.43
5. Step 5: Solve for x
   x = 2,789,687.43/1,744.56
6. Step 6: Final answer
   x = 1,599.08