Finding the Fourth Proportional to 1,648,105.88, 2,472,869.25 and 889,796.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648,105.88 : 2,472,869.25 = 889,796.77 : x
2. Step 2: Convert to fraction form
   1,648,105.88/2,472,869.25 = 889,796.77/x
3. Step 3: Cross multiply
   1,648,105.88x = 2,472,869.25 × 889,796.77
4. Step 4: Simplify right side
   1,648,105.88x = 2,200,351,077,464.50
5. Step 5: Solve for x
   x = 2,200,351,077,464.50/1,648,105.88
6. Step 6: Final answer
   x = 1,335,078.71