Finding the Fourth Proportional to 5,690,559.78, 7,854,233.56 and 3,926,933.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,690,559.78 : 7,854,233.56 = 3,926,933.40 : x
2. Step 2: Convert to fraction form
   5,690,559.78/7,854,233.56 = 3,926,933.40/x
3. Step 3: Cross multiply
   5,690,559.78x = 7,854,233.56 × 3,926,933.40
4. Step 4: Simplify right side
   5,690,559.78x = 30,843,052,098,164.90
5. Step 5: Solve for x
   x = 30,843,052,098,164.90/5,690,559.78
6. Step 6: Final answer
   x = 5,420,038.32