Finding the Fourth Proportional to 1,727.52, 2,592.78 and 1,140.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.52 : 2,592.78 = 1,140.88 : x
2. Step 2: Convert to fraction form
   1,727.52/2,592.78 = 1,140.88/x
3. Step 3: Cross multiply
   1,727.52x = 2,592.78 × 1,140.88
4. Step 4: Simplify right side
   1,727.52x = 2,958,050.85
5. Step 5: Solve for x
   x = 2,958,050.85/1,727.52
6. Step 6: Final answer
   x = 1,712.31