Finding the Fourth Proportional to 150,100.54, 207,131.01 and 82,104.28

Step by Step Solution

1. Step 1: Write the proportion equation
   150,100.54 : 207,131.01 = 82,104.28 : x
2. Step 2: Convert to fraction form
   150,100.54/207,131.01 = 82,104.28/x
3. Step 3: Cross multiply
   150,100.54x = 207,131.01 × 82,104.28
4. Step 4: Simplify right side
   150,100.54x = 17,006,342,441.72
5. Step 5: Solve for x
   x = 17,006,342,441.72/150,100.54
6. Step 6: Final answer
   x = 113,299.68