Finding the Fourth Proportional to 5,161,945.50, 7,123,441.62 and 2,870,086.14

Step by Step Solution

1. Step 1: Write the proportion equation
   5,161,945.50 : 7,123,441.62 = 2,870,086.14 : x
2. Step 2: Convert to fraction form
   5,161,945.50/7,123,441.62 = 2,870,086.14/x
3. Step 3: Cross multiply
   5,161,945.50x = 7,123,441.62 × 2,870,086.14
4. Step 4: Simplify right side
   5,161,945.50x = 20,444,891,062,661.15
5. Step 5: Solve for x
   x = 20,444,891,062,661.15/5,161,945.50
6. Step 6: Final answer
   x = 3,960,694.87