Finding the Fourth Proportional to 6,391,309.28, 8,819,992.71 and 3,490,700.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,391,309.28 : 8,819,992.71 = 3,490,700.27 : x
2. Step 2: Convert to fraction form
   6,391,309.28/8,819,992.71 = 3,490,700.27/x
3. Step 3: Cross multiply
   6,391,309.28x = 8,819,992.71 × 3,490,700.27
4. Step 4: Simplify right side
   6,391,309.28x = 30,787,950,890,095.07
5. Step 5: Solve for x
   x = 30,787,950,890,095.07/6,391,309.28
6. Step 6: Final answer
   x = 4,817,158.67