Finding the Fourth Proportional to 150,933.01, 208,215.76 and 108,516.15

Step by Step Solution

1. Step 1: Write the proportion equation
   150,933.01 : 208,215.76 = 108,516.15 : x
2. Step 2: Convert to fraction form
   150,933.01/208,215.76 = 108,516.15/x
3. Step 3: Cross multiply
   150,933.01x = 208,215.76 × 108,516.15
4. Step 4: Simplify right side
   150,933.01x = 22,594,772,644.52
5. Step 5: Solve for x
   x = 22,594,772,644.52/150,933.01
6. Step 6: Final answer
   x = 149,700.67