Finding the Fourth Proportional to 2,431,456.89, 3,355,420.92 and 1,328,910.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431,456.89 : 3,355,420.92 = 1,328,910.57 : x
2. Step 2: Convert to fraction form
   2,431,456.89/3,355,420.92 = 1,328,910.57/x
3. Step 3: Cross multiply
   2,431,456.89x = 3,355,420.92 × 1,328,910.57
4. Step 4: Simplify right side
   2,431,456.89x = 4,459,054,319,870.57
5. Step 5: Solve for x
   x = 4,459,054,319,870.57/2,431,456.89
6. Step 6: Final answer
   x = 1,833,902.28