Finding the Fourth Proportional to 1,727.69, 2,590.02 and 753.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,727.69 : 2,590.02 = 753.03 : x
2. Step 2: Convert to fraction form
   1,727.69/2,590.02 = 753.03/x
3. Step 3: Cross multiply
   1,727.69x = 2,590.02 × 753.03
4. Step 4: Simplify right side
   1,727.69x = 1,950,362.76
5. Step 5: Solve for x
   x = 1,950,362.76/1,727.69
6. Step 6: Final answer
   x = 1,128.89