Finding the Fourth Proportional to 238,356.50, 328,662.41 and 152,202.20

Step by Step Solution

1. Step 1: Write the proportion equation
   238,356.50 : 328,662.41 = 152,202.20 : x
2. Step 2: Convert to fraction form
   238,356.50/328,662.41 = 152,202.20/x
3. Step 3: Cross multiply
   238,356.50x = 328,662.41 × 152,202.20
4. Step 4: Simplify right side
   238,356.50x = 50,023,143,061.46
5. Step 5: Solve for x
   x = 50,023,143,061.46/238,356.50
6. Step 6: Final answer
   x = 209,866.91