Finding the Fourth Proportional to 2,888,016.20, 3,985,310.82 and 1,581,017.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,888,016.20 : 3,985,310.82 = 1,581,017.68 : x
2. Step 2: Convert to fraction form
   2,888,016.20/3,985,310.82 = 1,581,017.68/x
3. Step 3: Cross multiply
   2,888,016.20x = 3,985,310.82 × 1,581,017.68
4. Step 4: Simplify right side
   2,888,016.20x = 6,300,846,866,715.30
5. Step 5: Solve for x
   x = 6,300,846,866,715.30/2,888,016.20
6. Step 6: Final answer
   x = 2,181,721.44