Finding the Fourth Proportional to 3,521,281.23, 5,309,077.94 and 3,499,422.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521,281.23 : 5,309,077.94 = 3,499,422.17 : x
2. Step 2: Convert to fraction form
   3,521,281.23/5,309,077.94 = 3,499,422.17/x
3. Step 3: Cross multiply
   3,521,281.23x = 5,309,077.94 × 3,499,422.17
4. Step 4: Simplify right side
   3,521,281.23x = 18,578,705,001,451.43
5. Step 5: Solve for x
   x = 18,578,705,001,451.43/3,521,281.23
6. Step 6: Final answer
   x = 5,276,120.76