Finding the Fourth Proportional to 6,309,401.15, 8,706,979.76 and 3,408,794.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,309,401.15 : 8,706,979.76 = 3,408,794.33 : x
2. Step 2: Convert to fraction form
   6,309,401.15/8,706,979.76 = 3,408,794.33/x
3. Step 3: Cross multiply
   6,309,401.15x = 8,706,979.76 × 3,408,794.33
4. Step 4: Simplify right side
   6,309,401.15x = 29,680,303,176,733.89
5. Step 5: Solve for x
   x = 29,680,303,176,733.89/6,309,401.15
6. Step 6: Final answer
   x = 4,704,139.50