Finding the Fourth Proportional to 1,456,199.46, 2,009,564.61 and 811,660.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,199.46 : 2,009,564.61 = 811,660.59 : x
2. Step 2: Convert to fraction form
   1,456,199.46/2,009,564.61 = 811,660.59/x
3. Step 3: Cross multiply
   1,456,199.46x = 2,009,564.61 × 811,660.59
4. Step 4: Simplify right side
   1,456,199.46x = 1,631,084,396,995.72
5. Step 5: Solve for x
   x = 1,631,084,396,995.72/1,456,199.46
6. Step 6: Final answer
   x = 1,120,096.83