Finding the Fourth Proportional to 1,662,578.88, 2,493,093.24 and 863,646

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,578.88 : 2,493,093.24 = 863,646 : x
2. Step 2: Convert to fraction form
   1,662,578.88/2,493,093.24 = 863,646/x
3. Step 3: Cross multiply
   1,662,578.88x = 2,493,093.24 × 863,646
4. Step 4: Simplify right side
   1,662,578.88x = 2,153,150,004,353.04
5. Step 5: Solve for x
   x = 2,153,150,004,353.04/1,662,578.88
6. Step 6: Final answer
   x = 1,295,066.38