Finding the Fourth Proportional to 2,191,293.57, 3,286,784.47 and 674,818.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,293.57 : 3,286,784.47 = 674,818.38 : x
2. Step 2: Convert to fraction form
   2,191,293.57/3,286,784.47 = 674,818.38/x
3. Step 3: Cross multiply
   2,191,293.57x = 3,286,784.47 × 674,818.38
4. Step 4: Simplify right side
   2,191,293.57x = 2,217,982,561,788.72
5. Step 5: Solve for x
   x = 2,217,982,561,788.72/2,191,293.57
6. Step 6: Final answer
   x = 1,012,179.56