Finding the Fourth Proportional to 2,620,818.43, 3,616,878.30 and 1,574,559.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,818.43 : 3,616,878.30 = 1,574,559.68 : x
2. Step 2: Convert to fraction form
   2,620,818.43/3,616,878.30 = 1,574,559.68/x
3. Step 3: Cross multiply
   2,620,818.43x = 3,616,878.30 × 1,574,559.68
4. Step 4: Simplify right side
   2,620,818.43x = 5,694,990,735,002.90
5. Step 5: Solve for x
   x = 5,694,990,735,002.90/2,620,818.43
6. Step 6: Final answer
   x = 2,172,981.79