Finding the Fourth Proportional to 1,065,743.25, 1,471,707.82 and 684,434.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,743.25 : 1,471,707.82 = 684,434.31 : x
2. Step 2: Convert to fraction form
   1,065,743.25/1,471,707.82 = 684,434.31/x
3. Step 3: Cross multiply
   1,065,743.25x = 1,471,707.82 × 684,434.31
4. Step 4: Simplify right side
   1,065,743.25x = 1,007,287,326,303.30
5. Step 5: Solve for x
   x = 1,007,287,326,303.30/1,065,743.25
6. Step 6: Final answer
   x = 945,150.09