Finding the Fourth Proportional to 403,452.50, 605,222.58 and 150,854.00

Step by Step Solution

1. Step 1: Write the proportion equation
   403,452.50 : 605,222.58 = 150,854.00 : x
2. Step 2: Convert to fraction form
   403,452.50/605,222.58 = 150,854.00/x
3. Step 3: Cross multiply
   403,452.50x = 605,222.58 × 150,854.00
4. Step 4: Simplify right side
   403,452.50x = 91,300,244,057.21
5. Step 5: Solve for x
   x = 91,300,244,057.21/403,452.50
6. Step 6: Final answer
   x = 226,297.38