Finding the Fourth Proportional to 2,668,660, 4,003,404.72 and 896,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668,660 : 4,003,404.72 = 896,146.72 : x
2. Step 2: Convert to fraction form
   2,668,660/4,003,404.72 = 896,146.72/x
3. Step 3: Cross multiply
   2,668,660x = 4,003,404.72 × 896,146.72
4. Step 4: Simplify right side
   2,668,660x = 3,587,638,008,660.52
5. Step 5: Solve for x
   x = 3,587,638,008,660.52/2,668,660
6. Step 6: Final answer
   x = 1,344,359.34