Finding the Fourth Proportional to 1,527.39, 2,287.50 and 744.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.39 : 2,287.50 = 744.94 : x
2. Step 2: Convert to fraction form
   1,527.39/2,287.50 = 744.94/x
3. Step 3: Cross multiply
   1,527.39x = 2,287.50 × 744.94
4. Step 4: Simplify right side
   1,527.39x = 1,704,049.23
5. Step 5: Solve for x
   x = 1,704,049.23/1,527.39
6. Step 6: Final answer
   x = 1,115.66