Finding the Fourth Proportional to 338,270.50, 507,435.72 and 88,952.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,270.50 : 507,435.72 = 88,952.50 : x
2. Step 2: Convert to fraction form
   338,270.50/507,435.72 = 88,952.50/x
3. Step 3: Cross multiply
   338,270.50x = 507,435.72 × 88,952.50
4. Step 4: Simplify right side
   338,270.50x = 45,137,675,883.30
5. Step 5: Solve for x
   x = 45,137,675,883.30/338,270.50
6. Step 6: Final answer
   x = 133,436.63