Finding the Fourth Proportional to 150,250.81, 207,339.72 and 82,266.55

Step by Step Solution

1. Step 1: Write the proportion equation
   150,250.81 : 207,339.72 = 82,266.55 : x
2. Step 2: Convert to fraction form
   150,250.81/207,339.72 = 82,266.55/x
3. Step 3: Cross multiply
   150,250.81x = 207,339.72 × 82,266.55
4. Step 4: Simplify right side
   150,250.81x = 17,057,123,442.37
5. Step 5: Solve for x
   x = 17,057,123,442.37/150,250.81
6. Step 6: Final answer
   x = 113,524.34