Finding the Fourth Proportional to 3,689,406, 5,091,380.28 and 2,079,774

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,406 : 5,091,380.28 = 2,079,774 : x
2. Step 2: Convert to fraction form
   3,689,406/5,091,380.28 = 2,079,774/x
3. Step 3: Cross multiply
   3,689,406x = 5,091,380.28 × 2,079,774
4. Step 4: Simplify right side
   3,689,406x = 10,588,920,330,456.72
5. Step 5: Solve for x
   x = 10,588,920,330,456.72/3,689,406
6. Step 6: Final answer
   x = 2,870,088.12