Finding the Fourth Proportional to 2,146,659.49, 3,220,570.01 and 726,715.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,659.49 : 3,220,570.01 = 726,715.72 : x
2. Step 2: Convert to fraction form
   2,146,659.49/3,220,570.01 = 726,715.72/x
3. Step 3: Cross multiply
   2,146,659.49x = 3,220,570.01 × 726,715.72
4. Step 4: Simplify right side
   2,146,659.49x = 2,340,438,853,627.56
5. Step 5: Solve for x
   x = 2,340,438,853,627.56/2,146,659.49
6. Step 6: Final answer
   x = 1,090,270.19