Finding the Fourth Proportional to 5,161,676, 7,123,112.88 and 2,900,684

Step by Step Solution

1. Step 1: Write the proportion equation
   5,161,676 : 7,123,112.88 = 2,900,684 : x
2. Step 2: Convert to fraction form
   5,161,676/7,123,112.88 = 2,900,684/x
3. Step 3: Cross multiply
   5,161,676x = 7,123,112.88 × 2,900,684
4. Step 4: Simplify right side
   5,161,676x = 20,661,899,561,209.92
5. Step 5: Solve for x
   x = 20,661,899,561,209.92/5,161,676
6. Step 6: Final answer
   x = 4,002,943.92