Finding the Fourth Proportional to 1,603,896.72, 2,213,377.41 and 878,771.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,896.72 : 2,213,377.41 = 878,771.94 : x
2. Step 2: Convert to fraction form
   1,603,896.72/2,213,377.41 = 878,771.94/x
3. Step 3: Cross multiply
   1,603,896.72x = 2,213,377.41 × 878,771.94
4. Step 4: Simplify right side
   1,603,896.72x = 1,945,053,960,537.88
5. Step 5: Solve for x
   x = 1,945,053,960,537.88/1,603,896.72
6. Step 6: Final answer
   x = 1,212,705.24