Finding the Fourth Proportional to 741,078.32, 1,023,040.72 and 496,484.24

Step by Step Solution

1. Step 1: Write the proportion equation
   741,078.32 : 1,023,040.72 = 496,484.24 : x
2. Step 2: Convert to fraction form
   741,078.32/1,023,040.72 = 496,484.24/x
3. Step 3: Cross multiply
   741,078.32x = 1,023,040.72 × 496,484.24
4. Step 4: Simplify right side
   741,078.32x = 507,923,594,358.25
5. Step 5: Solve for x
   x = 507,923,594,358.25/741,078.32
6. Step 6: Final answer
   x = 685,384.50