Finding the Fourth Proportional to 2,275,655.67, 3,413,614.86 and 855,724.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275,655.67 : 3,413,614.86 = 855,724.05 : x
2. Step 2: Convert to fraction form
   2,275,655.67/3,413,614.86 = 855,724.05/x
3. Step 3: Cross multiply
   2,275,655.67x = 3,413,614.86 × 855,724.05
4. Step 4: Simplify right side
   2,275,655.67x = 2,921,112,333,139.38
5. Step 5: Solve for x
   x = 2,921,112,333,139.38/2,275,655.67
6. Step 6: Final answer
   x = 1,283,635.47