Finding the Fourth Proportional to 886,959.46, 1,224,003.60 and 479,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   886,959.46 : 1,224,003.60 = 479,061.10 : x
2. Step 2: Convert to fraction form
   886,959.46/1,224,003.60 = 479,061.10/x
3. Step 3: Cross multiply
   886,959.46x = 1,224,003.60 × 479,061.10
4. Step 4: Simplify right side
   886,959.46x = 586,372,511,019.96
5. Step 5: Solve for x
   x = 586,372,511,019.96/886,959.46
6. Step 6: Final answer
   x = 661,104.07