Finding the Fourth Proportional to 1,589,176.38, 2,193,106.41 and 864,072.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589,176.38 : 2,193,106.41 = 864,072.78 : x
2. Step 2: Convert to fraction form
   1,589,176.38/2,193,106.41 = 864,072.78/x
3. Step 3: Cross multiply
   1,589,176.38x = 2,193,106.41 × 864,072.78
4. Step 4: Simplify right side
   1,589,176.38x = 1,895,003,552,524.52
5. Step 5: Solve for x
   x = 1,895,003,552,524.52/1,589,176.38
6. Step 6: Final answer
   x = 1,192,443.82