Finding the Fourth Proportional to 3,661,672.14, 5,491,757.61 and 1,386,411.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661,672.14 : 5,491,757.61 = 1,386,411.57 : x
2. Step 2: Convert to fraction form
   3,661,672.14/5,491,757.61 = 1,386,411.57/x
3. Step 3: Cross multiply
   3,661,672.14x = 5,491,757.61 × 1,386,411.57
4. Step 4: Simplify right side
   3,661,672.14x = 7,613,836,290,139.55
5. Step 5: Solve for x
   x = 7,613,836,290,139.55/3,661,672.14
6. Step 6: Final answer
   x = 2,079,333.16