Finding the Fourth Proportional to 150,760.32, 208,033.83 and 87,118.62

Step by Step Solution

1. Step 1: Write the proportion equation
   150,760.32 : 208,033.83 = 87,118.62 : x
2. Step 2: Convert to fraction form
   150,760.32/208,033.83 = 87,118.62/x
3. Step 3: Cross multiply
   150,760.32x = 208,033.83 × 87,118.62
4. Step 4: Simplify right side
   150,760.32x = 18,123,620,182.91
5. Step 5: Solve for x
   x = 18,123,620,182.91/150,760.32
6. Step 6: Final answer
   x = 120,214.79