Finding the Fourth Proportional to 1,086,447.87, 1,499,373.59 and 627,717.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,447.87 : 1,499,373.59 = 627,717.33 : x
2. Step 2: Convert to fraction form
   1,086,447.87/1,499,373.59 = 627,717.33/x
3. Step 3: Cross multiply
   1,086,447.87x = 1,499,373.59 × 627,717.33
4. Step 4: Simplify right side
   1,086,447.87x = 941,182,783,448.73
5. Step 5: Solve for x
   x = 941,182,783,448.73/1,086,447.87
6. Step 6: Final answer
   x = 866,293.55