Finding the Fourth Proportional to 303,168.38, 454,675 and 89,886.42

Step by Step Solution

1. Step 1: Write the proportion equation
   303,168.38 : 454,675 = 89,886.42 : x
2. Step 2: Convert to fraction form
   303,168.38/454,675 = 89,886.42/x
3. Step 3: Cross multiply
   303,168.38x = 454,675 × 89,886.42
4. Step 4: Simplify right side
   303,168.38x = 40,869,108,013.50
5. Step 5: Solve for x
   x = 40,869,108,013.50/303,168.38
6. Step 6: Final answer
   x = 134,806.63