Finding the Fourth Proportional to 150,406.56, 207,556.56 and 82,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,406.56 : 207,556.56 = 82,422.72 : x
2. Step 2: Convert to fraction form
   150,406.56/207,556.56 = 82,422.72/x
3. Step 3: Cross multiply
   150,406.56x = 207,556.56 × 82,422.72
4. Step 4: Simplify right side
   150,406.56x = 17,107,376,229.04
5. Step 5: Solve for x
   x = 17,107,376,229.04/150,406.56
6. Step 6: Final answer
   x = 113,740.89