Finding the Fourth Proportional to 871,499.72, 1,202,698.82 and 484,331.48

Step by Step Solution

1. Step 1: Write the proportion equation
   871,499.72 : 1,202,698.82 = 484,331.48 : x
2. Step 2: Convert to fraction form
   871,499.72/1,202,698.82 = 484,331.48/x
3. Step 3: Cross multiply
   871,499.72x = 1,202,698.82 × 484,331.48
4. Step 4: Simplify right side
   871,499.72x = 582,504,899,484.85
5. Step 5: Solve for x
   x = 582,504,899,484.85/871,499.72
6. Step 6: Final answer
   x = 668,393.67