Finding the Fourth Proportional to 2,668,648, 4,003,386.72 and 896,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668,648 : 4,003,386.72 = 896,134.72 : x
2. Step 2: Convert to fraction form
   2,668,648/4,003,386.72 = 896,134.72/x
3. Step 3: Cross multiply
   2,668,648x = 4,003,386.72 × 896,134.72
4. Step 4: Simplify right side
   2,668,648x = 3,587,573,837,378.92
5. Step 5: Solve for x
   x = 3,587,573,837,378.92/2,668,648
6. Step 6: Final answer
   x = 1,344,341.34