Finding the Fourth Proportional to 1,301,016.21, 1,796,081.90 and 811,133.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301,016.21 : 1,796,081.90 = 811,133.69 : x
2. Step 2: Convert to fraction form
   1,301,016.21/1,796,081.90 = 811,133.69/x
3. Step 3: Cross multiply
   1,301,016.21x = 1,796,081.90 × 811,133.69
4. Step 4: Simplify right side
   1,301,016.21x = 1,456,862,526,053.13
5. Step 5: Solve for x
   x = 1,456,862,526,053.13/1,301,016.21
6. Step 6: Final answer
   x = 1,119,788.14