Finding the Fourth Proportional to 2,728,810.05, 4,092,329.37 and 906,685.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728,810.05 : 4,092,329.37 = 906,685.65 : x
2. Step 2: Convert to fraction form
   2,728,810.05/4,092,329.37 = 906,685.65/x
3. Step 3: Cross multiply
   2,728,810.05x = 4,092,329.37 × 906,685.65
4. Step 4: Simplify right side
   2,728,810.05x = 3,710,456,314,852.54
5. Step 5: Solve for x
   x = 3,710,456,314,852.54/2,728,810.05
6. Step 6: Final answer
   x = 1,359,734.19