Finding the Fourth Proportional to 2,499,657.29, 3,749,680.34 and 816,930.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,657.29 : 3,749,680.34 = 816,930.89 : x
2. Step 2: Convert to fraction form
   2,499,657.29/3,749,680.34 = 816,930.89/x
3. Step 3: Cross multiply
   2,499,657.29x = 3,749,680.34 × 816,930.89
4. Step 4: Simplify right side
   2,499,657.29x = 3,063,229,697,371.70
5. Step 5: Solve for x
   x = 3,063,229,697,371.70/2,499,657.29
6. Step 6: Final answer
   x = 1,225,459.87