Finding the Fourth Proportional to 2,442,713.78, 3,664,101.83 and 645,581.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442,713.78 : 3,664,101.83 = 645,581.72 : x
2. Step 2: Convert to fraction form
   2,442,713.78/3,664,101.83 = 645,581.72/x
3. Step 3: Cross multiply
   2,442,713.78x = 3,664,101.83 × 645,581.72
4. Step 4: Simplify right side
   2,442,713.78x = 2,365,477,140,118.13
5. Step 5: Solve for x
   x = 2,365,477,140,118.13/2,442,713.78
6. Step 6: Final answer
   x = 968,380.81