Finding the Fourth Proportional to 1,493.33, 2,239.35 and 752.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.33 : 2,239.35 = 752.48 : x
2. Step 2: Convert to fraction form
   1,493.33/2,239.35 = 752.48/x
3. Step 3: Cross multiply
   1,493.33x = 2,239.35 × 752.48
4. Step 4: Simplify right side
   1,493.33x = 1,685,054.89
5. Step 5: Solve for x
   x = 1,685,054.89/1,493.33
6. Step 6: Final answer
   x = 1,128.39