Finding the Fourth Proportional to 89,078.68, 133,618.38 and 42,306.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,078.68 : 133,618.38 = 42,306.04 : x
2. Step 2: Convert to fraction form
   89,078.68/133,618.38 = 42,306.04/x
3. Step 3: Cross multiply
   89,078.68x = 133,618.38 × 42,306.04
4. Step 4: Simplify right side
   89,078.68x = 5,652,864,529.02
5. Step 5: Solve for x
   x = 5,652,864,529.02/89,078.68
6. Step 6: Final answer
   x = 63,459.23