Finding the Fourth Proportional to 2,518,209.32, 3,778,049.57 and 812,314.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518,209.32 : 3,778,049.57 = 812,314.73 : x
2. Step 2: Convert to fraction form
   2,518,209.32/3,778,049.57 = 812,314.73/x
3. Step 3: Cross multiply
   2,518,209.32x = 3,778,049.57 × 812,314.73
4. Step 4: Simplify right side
   2,518,209.32x = 3,068,965,321,764.72
5. Step 5: Solve for x
   x = 3,068,965,321,764.72/2,518,209.32
6. Step 6: Final answer
   x = 1,218,709.38