Finding the Fourth Proportional to 1,410,046.20, 1,945,866.17 and 806,434.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410,046.20 : 1,945,866.17 = 806,434.20 : x
2. Step 2: Convert to fraction form
   1,410,046.20/1,945,866.17 = 806,434.20/x
3. Step 3: Cross multiply
   1,410,046.20x = 1,945,866.17 × 806,434.20
4. Step 4: Simplify right side
   1,410,046.20x = 1,569,213,028,111.01
5. Step 5: Solve for x
   x = 1,569,213,028,111.01/1,410,046.20
6. Step 6: Final answer
   x = 1,112,880.58