Finding the Fourth Proportional to 1,086,422.06, 1,499,447.99 and 627,454.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,422.06 : 1,499,447.99 = 627,454.15 : x
2. Step 2: Convert to fraction form
   1,086,422.06/1,499,447.99 = 627,454.15/x
3. Step 3: Cross multiply
   1,086,422.06x = 1,499,447.99 × 627,454.15
4. Step 4: Simplify right side
   1,086,422.06x = 940,834,864,034.66
5. Step 5: Solve for x
   x = 940,834,864,034.66/1,086,422.06
6. Step 6: Final answer
   x = 865,993.89