Finding the Fourth Proportional to 2,242,738.10, 3,364,622.31 and 645,314.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242,738.10 : 3,364,622.31 = 645,314.42 : x
2. Step 2: Convert to fraction form
   2,242,738.10/3,364,622.31 = 645,314.42/x
3. Step 3: Cross multiply
   2,242,738.10x = 3,364,622.31 × 645,314.42
4. Step 4: Simplify right side
   2,242,738.10x = 2,171,239,294,496.71
5. Step 5: Solve for x
   x = 2,171,239,294,496.71/2,242,738.10
6. Step 6: Final answer
   x = 968,119.86