Finding the Fourth Proportional to 3,747,361.56, 5,171,057.72 and 2,116,165.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747,361.56 : 5,171,057.72 = 2,116,165.74 : x
2. Step 2: Convert to fraction form
   3,747,361.56/5,171,057.72 = 2,116,165.74/x
3. Step 3: Cross multiply
   3,747,361.56x = 5,171,057.72 × 2,116,165.74
4. Step 4: Simplify right side
   3,747,361.56x = 10,942,815,186,626.51
5. Step 5: Solve for x
   x = 10,942,815,186,626.51/3,747,361.56
6. Step 6: Final answer
   x = 2,920,138.61