Finding the Fourth Proportional to 2,377,063.27, 3,280,323.17 and 1,289,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377,063.27 : 3,280,323.17 = 1,289,311.50 : x
2. Step 2: Convert to fraction form
   2,377,063.27/3,280,323.17 = 1,289,311.50/x
3. Step 3: Cross multiply
   2,377,063.27x = 3,280,323.17 × 1,289,311.50
4. Step 4: Simplify right side
   2,377,063.27x = 4,229,358,390,020.73
5. Step 5: Solve for x
   x = 4,229,358,390,020.73/2,377,063.27
6. Step 6: Final answer
   x = 1,779,236.78