Finding the Fourth Proportional to 2,669,386.18, 4,004,594.43 and 871,786.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669,386.18 : 4,004,594.43 = 871,786.39 : x
2. Step 2: Convert to fraction form
   2,669,386.18/4,004,594.43 = 871,786.39/x
3. Step 3: Cross multiply
   2,669,386.18x = 4,004,594.43 × 871,786.39
4. Step 4: Simplify right side
   2,669,386.18x = 3,491,150,921,543.81
5. Step 5: Solve for x
   x = 3,491,150,921,543.81/2,669,386.18
6. Step 6: Final answer
   x = 1,307,847.83