Finding the Fourth Proportional to 1,555,067.94, 2,146,003.71 and 866,783.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,067.94 : 2,146,003.71 = 866,783.43 : x
2. Step 2: Convert to fraction form
   1,555,067.94/2,146,003.71 = 866,783.43/x
3. Step 3: Cross multiply
   1,555,067.94x = 2,146,003.71 × 866,783.43
4. Step 4: Simplify right side
   1,555,067.94x = 1,860,120,456,546.53
5. Step 5: Solve for x
   x = 1,860,120,456,546.53/1,555,067.94
6. Step 6: Final answer
   x = 1,196,166.68