Finding the Fourth Proportional to 1,616,114.42, 2,230,229.86 and 890,959.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616,114.42 : 2,230,229.86 = 890,959.89 : x
2. Step 2: Convert to fraction form
   1,616,114.42/2,230,229.86 = 890,959.89/x
3. Step 3: Cross multiply
   1,616,114.42x = 2,230,229.86 × 890,959.89
4. Step 4: Simplify right side
   1,616,114.42x = 1,987,045,350,740.32
5. Step 5: Solve for x
   x = 1,987,045,350,740.32/1,616,114.42
6. Step 6: Final answer
   x = 1,229,520.22