Finding the Fourth Proportional to 2,591,172.96, 3,886,647.12 and 885,468.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,172.96 : 3,886,647.12 = 885,468.48 : x
2. Step 2: Convert to fraction form
   2,591,172.96/3,886,647.12 = 885,468.48/x
3. Step 3: Cross multiply
   2,591,172.96x = 3,886,647.12 × 885,468.48
4. Step 4: Simplify right side
   2,591,172.96x = 3,441,503,517,642.78
5. Step 5: Solve for x
   x = 3,441,503,517,642.78/2,591,172.96
6. Step 6: Final answer
   x = 1,328,164.34