Finding the Fourth Proportional to 150,297.50, 207,410.55 and 83,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,297.50 : 207,410.55 = 83,229.50 : x
2. Step 2: Convert to fraction form
   150,297.50/207,410.55 = 83,229.50/x
3. Step 3: Cross multiply
   150,297.50x = 207,410.55 × 83,229.50
4. Step 4: Simplify right side
   150,297.50x = 17,262,676,371.23
5. Step 5: Solve for x
   x = 17,262,676,371.23/150,297.50
6. Step 6: Final answer
   x = 114,856.71