Finding the Fourth Proportional to 1,617,377.32, 2,425,650.78 and 479,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,377.32 : 2,425,650.78 = 479,870.42 : x
2. Step 2: Convert to fraction form
   1,617,377.32/2,425,650.78 = 479,870.42/x
3. Step 3: Cross multiply
   1,617,377.32x = 2,425,650.78 × 479,870.42
4. Step 4: Simplify right side
   1,617,377.32x = 1,163,998,058,571.93
5. Step 5: Solve for x
   x = 1,163,998,058,571.93/1,617,377.32
6. Step 6: Final answer
   x = 719,682.44