Finding the Fourth Proportional to 150,151.73, 207,209.36 and 82,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,151.73 : 207,209.36 = 82,168.72 : x
2. Step 2: Convert to fraction form
   150,151.73/207,209.36 = 82,168.72/x
3. Step 3: Cross multiply
   150,151.73x = 207,209.36 × 82,168.72
4. Step 4: Simplify right side
   150,151.73x = 17,026,127,570.62
5. Step 5: Solve for x
   x = 17,026,127,570.62/150,151.73
6. Step 6: Final answer
   x = 113,392.82