Finding the Fourth Proportional to 2,108,970.25, 3,163,565.91 and 669,768.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,970.25 : 3,163,565.91 = 669,768.42 : x
2. Step 2: Convert to fraction form
   2,108,970.25/3,163,565.91 = 669,768.42/x
3. Step 3: Cross multiply
   2,108,970.25x = 3,163,565.91 × 669,768.42
4. Step 4: Simplify right side
   2,108,970.25x = 2,118,856,541,106.56
5. Step 5: Solve for x
   x = 2,118,856,541,106.56/2,108,970.25
6. Step 6: Final answer
   x = 1,004,687.74