Finding the Fourth Proportional to 1,488.02, 2,229.69 and 756.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.02 : 2,229.69 = 756.59 : x
2. Step 2: Convert to fraction form
   1,488.02/2,229.69 = 756.59/x
3. Step 3: Cross multiply
   1,488.02x = 2,229.69 × 756.59
4. Step 4: Simplify right side
   1,488.02x = 1,686,961.16
5. Step 5: Solve for x
   x = 1,686,961.16/1,488.02
6. Step 6: Final answer
   x = 1,133.70