Finding the Fourth Proportional to 1,494.53, 2,240.37 and 753.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.53 : 2,240.37 = 753.65 : x
2. Step 2: Convert to fraction form
   1,494.53/2,240.37 = 753.65/x
3. Step 3: Cross multiply
   1,494.53x = 2,240.37 × 753.65
4. Step 4: Simplify right side
   1,494.53x = 1,688,443.65
5. Step 5: Solve for x
   x = 1,688,443.65/1,494.53
6. Step 6: Final answer
   x = 1,129.75