Finding the Fourth Proportional to 150,105.25, 207,146.06 and 82,123.03

Step by Step Solution

1. Step 1: Write the proportion equation
   150,105.25 : 207,146.06 = 82,123.03 : x
2. Step 2: Convert to fraction form
   150,105.25/207,146.06 = 82,123.03/x
3. Step 3: Cross multiply
   150,105.25x = 207,146.06 × 82,123.03
4. Step 4: Simplify right side
   150,105.25x = 17,011,462,099.76
5. Step 5: Solve for x
   x = 17,011,462,099.76/150,105.25
6. Step 6: Final answer
   x = 113,330.23