Finding the Fourth Proportional to 150,633.28, 207,866.90 and 82,648.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,633.28 : 207,866.90 = 82,648.72 : x
2. Step 2: Convert to fraction form
   150,633.28/207,866.90 = 82,648.72/x
3. Step 3: Cross multiply
   150,633.28x = 207,866.90 × 82,648.72
4. Step 4: Simplify right side
   150,633.28x = 17,179,933,215.37
5. Step 5: Solve for x
   x = 17,179,933,215.37/150,633.28
6. Step 6: Final answer
   x = 114,051.38