Finding the Fourth Proportional to 2,146,665.52, 3,220,579.02 and 726,721.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,665.52 : 3,220,579.02 = 726,721.72 : x
2. Step 2: Convert to fraction form
   2,146,665.52/3,220,579.02 = 726,721.72/x
3. Step 3: Cross multiply
   2,146,665.52x = 3,220,579.02 × 726,721.72
4. Step 4: Simplify right side
   2,146,665.52x = 2,340,464,724,810.31
5. Step 5: Solve for x
   x = 2,340,464,724,810.31/2,146,665.52
6. Step 6: Final answer
   x = 1,090,279.18