Finding the Fourth Proportional to 747,022, 1,120,542.72 and 248,386

Step by Step Solution

1. Step 1: Write the proportion equation
   747,022 : 1,120,542.72 = 248,386 : x
2. Step 2: Convert to fraction form
   747,022/1,120,542.72 = 248,386/x
3. Step 3: Cross multiply
   747,022x = 1,120,542.72 × 248,386
4. Step 4: Simplify right side
   747,022x = 278,327,124,049.92
5. Step 5: Solve for x
   x = 278,327,124,049.92/747,022
6. Step 6: Final answer
   x = 372,582.23