Finding the Fourth Proportional to 1,167,391.34, 1,751,173.41 and 419,443.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,391.34 : 1,751,173.41 = 419,443.82 : x
2. Step 2: Convert to fraction form
   1,167,391.34/1,751,173.41 = 419,443.82/x
3. Step 3: Cross multiply
   1,167,391.34x = 1,751,173.41 × 419,443.82
4. Step 4: Simplify right side
   1,167,391.34x = 734,518,864,572.83
5. Step 5: Solve for x
   x = 734,518,864,572.83/1,167,391.34
6. Step 6: Final answer
   x = 629,196.77