Finding the Fourth Proportional to 2,870,978.76, 3,962,040.21 and 1,647,508.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870,978.76 : 3,962,040.21 = 1,647,508.32 : x
2. Step 2: Convert to fraction form
   2,870,978.76/3,962,040.21 = 1,647,508.32/x
3. Step 3: Cross multiply
   2,870,978.76x = 3,962,040.21 × 1,647,508.32
4. Step 4: Simplify right side
   2,870,978.76x = 6,527,494,210,149.55
5. Step 5: Solve for x
   x = 6,527,494,210,149.55/2,870,978.76
6. Step 6: Final answer
   x = 2,273,612.85