Finding the Fourth Proportional to 740,958.42, 1,022,527.50 and 401,426.67

Step by Step Solution

1. Step 1: Write the proportion equation
   740,958.42 : 1,022,527.50 = 401,426.67 : x
2. Step 2: Convert to fraction form
   740,958.42/1,022,527.50 = 401,426.67/x
3. Step 3: Cross multiply
   740,958.42x = 1,022,527.50 × 401,426.67
4. Step 4: Simplify right side
   740,958.42x = 410,469,809,308.43
5. Step 5: Solve for x
   x = 410,469,809,308.43/740,958.42
6. Step 6: Final answer
   x = 553,971.45