Finding the Fourth Proportional to 1,185,314.69, 1,635,738.33 and 641,450.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,314.69 : 1,635,738.33 = 641,450.34 : x
2. Step 2: Convert to fraction form
   1,185,314.69/1,635,738.33 = 641,450.34/x
3. Step 3: Cross multiply
   1,185,314.69x = 1,635,738.33 × 641,450.34
4. Step 4: Simplify right side
   1,185,314.69x = 1,049,244,904,922.73
5. Step 5: Solve for x
   x = 1,049,244,904,922.73/1,185,314.69
6. Step 6: Final answer
   x = 885,203.66