Finding the Fourth Proportional to 3,171,896.82, 4,377,220.56 and 1,721,591.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,896.82 : 4,377,220.56 = 1,721,591.82 : x
2. Step 2: Convert to fraction form
   3,171,896.82/4,377,220.56 = 1,721,591.82/x
3. Step 3: Cross multiply
   3,171,896.82x = 4,377,220.56 × 1,721,591.82
4. Step 4: Simplify right side
   3,171,896.82x = 7,535,787,110,431.82
5. Step 5: Solve for x
   x = 7,535,787,110,431.82/3,171,896.82
6. Step 6: Final answer
   x = 2,375,798.31