Finding the Fourth Proportional to 108,086.61, 162,478.62 and 100,225.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,086.61 : 162,478.62 = 100,225.56 : x
2. Step 2: Convert to fraction form
   108,086.61/162,478.62 = 100,225.56/x
3. Step 3: Cross multiply
   108,086.61x = 162,478.62 × 100,225.56
4. Step 4: Simplify right side
   108,086.61x = 16,284,510,677.53
5. Step 5: Solve for x
   x = 16,284,510,677.53/108,086.61
6. Step 6: Final answer
   x = 150,661.68