Finding the Fourth Proportional to 1,086,421.94, 1,499,447.82 and 627,454.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,421.94 : 1,499,447.82 = 627,454.01 : x
2. Step 2: Convert to fraction form
   1,086,421.94/1,499,447.82 = 627,454.01/x
3. Step 3: Cross multiply
   1,086,421.94x = 1,499,447.82 × 627,454.01
4. Step 4: Simplify right side
   1,086,421.94x = 940,834,539,947.52
5. Step 5: Solve for x
   x = 940,834,539,947.52/1,086,421.94
6. Step 6: Final answer
   x = 865,993.69