Finding the Fourth Proportional to 1,525.33, 2,286.63 and 744.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.33 : 2,286.63 = 744.89 : x
2. Step 2: Convert to fraction form
   1,525.33/2,286.63 = 744.89/x
3. Step 3: Cross multiply
   1,525.33x = 2,286.63 × 744.89
4. Step 4: Simplify right side
   1,525.33x = 1,703,287.82
5. Step 5: Solve for x
   x = 1,703,287.82/1,525.33
6. Step 6: Final answer
   x = 1,116.67