Finding the Fourth Proportional to 1,012,377.31, 1,519,311.98 and 479,896.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,377.31 : 1,519,311.98 = 479,896.27 : x
2. Step 2: Convert to fraction form
   1,012,377.31/1,519,311.98 = 479,896.27/x
3. Step 3: Cross multiply
   1,012,377.31x = 1,519,311.98 × 479,896.27
4. Step 4: Simplify right side
   1,012,377.31x = 729,112,149,569.78
5. Step 5: Solve for x
   x = 729,112,149,569.78/1,012,377.31
6. Step 6: Final answer
   x = 720,198.04