Finding the Fourth Proportional to 3,689,379.57, 5,091,350.78 and 2,057,892.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689,379.57 : 5,091,350.78 = 2,057,892.61 : x
2. Step 2: Convert to fraction form
   3,689,379.57/5,091,350.78 = 2,057,892.61/x
3. Step 3: Cross multiply
   3,689,379.57x = 5,091,350.78 × 2,057,892.61
4. Step 4: Simplify right side
   3,689,379.57x = 10,477,453,145,079.74
5. Step 5: Solve for x
   x = 10,477,453,145,079.74/3,689,379.57
6. Step 6: Final answer
   x = 2,839,895.69