Finding the Fourth Proportional to 1,644,139.16, 2,268,959.83 and 899,108.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,139.16 : 2,268,959.83 = 899,108.81 : x
2. Step 2: Convert to fraction form
   1,644,139.16/2,268,959.83 = 899,108.81/x
3. Step 3: Cross multiply
   1,644,139.16x = 2,268,959.83 × 899,108.81
4. Step 4: Simplify right side
   1,644,139.16x = 2,040,041,772,689.10
5. Step 5: Solve for x
   x = 2,040,041,772,689.10/1,644,139.16
6. Step 6: Final answer
   x = 1,240,796.29