Finding the Fourth Proportional to 3,998,116.31, 5,517,400.52 and 2,162,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,998,116.31 : 5,517,400.52 = 2,162,574.50 : x
2. Step 2: Convert to fraction form
   3,998,116.31/5,517,400.52 = 2,162,574.50/x
3. Step 3: Cross multiply
   3,998,116.31x = 5,517,400.52 × 2,162,574.50
4. Step 4: Simplify right side
   3,998,116.31x = 11,931,789,673,819.37
5. Step 5: Solve for x
   x = 11,931,789,673,819.37/3,998,116.31
6. Step 6: Final answer
   x = 2,984,352.82