Finding the Fourth Proportional to 1,616,078.31, 2,230,205.25 and 890,951.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616,078.31 : 2,230,205.25 = 890,951.98 : x
2. Step 2: Convert to fraction form
   1,616,078.31/2,230,205.25 = 890,951.98/x
3. Step 3: Cross multiply
   1,616,078.31x = 2,230,205.25 × 890,951.98
4. Step 4: Simplify right side
   1,616,078.31x = 1,987,005,772,142.87
5. Step 5: Solve for x
   x = 1,987,005,772,142.87/1,616,078.31
6. Step 6: Final answer
   x = 1,229,523.20