Finding the Fourth Proportional to 2,065,474.90, 3,098,214.78 and 645,538.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065,474.90 : 3,098,214.78 = 645,538.42 : x
2. Step 2: Convert to fraction form
   2,065,474.90/3,098,214.78 = 645,538.42/x
3. Step 3: Cross multiply
   2,065,474.90x = 3,098,214.78 × 645,538.42
4. Step 4: Simplify right side
   2,065,474.90x = 2,000,016,673,901.85
5. Step 5: Solve for x
   x = 2,000,016,673,901.85/2,065,474.90
6. Step 6: Final answer
   x = 968,308.39