Finding the Fourth Proportional to 2,928,915.69, 4,395,169.27 and 1,311,052.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,928,915.69 : 4,395,169.27 = 1,311,052.49 : x
2. Step 2: Convert to fraction form
   2,928,915.69/4,395,169.27 = 1,311,052.49/x
3. Step 3: Cross multiply
   2,928,915.69x = 4,395,169.27 × 1,311,052.49
4. Step 4: Simplify right side
   2,928,915.69x = 5,762,297,615,404.98
5. Step 5: Solve for x
   x = 5,762,297,615,404.98/2,928,915.69
6. Step 6: Final answer
   x = 1,967,382.55