Finding the Fourth Proportional to 3,521,281.48, 5,309,078.31 and 3,499,422.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521,281.48 : 5,309,078.31 = 3,499,422.42 : x
2. Step 2: Convert to fraction form
   3,521,281.48/5,309,078.31 = 3,499,422.42/x
3. Step 3: Cross multiply
   3,521,281.48x = 5,309,078.31 × 3,499,422.42
4. Step 4: Simplify right side
   3,521,281.48x = 18,578,707,649,752.88
5. Step 5: Solve for x
   x = 18,578,707,649,752.88/3,521,281.48
6. Step 6: Final answer
   x = 5,276,121.14