Finding the Fourth Proportional to 8,635,986, 12,958,462.25 and 3,522,167.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,635,986 : 12,958,462.25 = 3,522,167.64 : x
2. Step 2: Convert to fraction form
   8,635,986/12,958,462.25 = 3,522,167.64/x
3. Step 3: Cross multiply
   8,635,986x = 12,958,462.25 × 3,522,167.64
4. Step 4: Simplify right side
   8,635,986x = 45,641,876,401,111.59
5. Step 5: Solve for x
   x = 45,641,876,401,111.59/8,635,986
6. Step 6: Final answer
   x = 5,285,079.94