Finding the Fourth Proportional to 89,049.86, 133,589.37 and 42,286.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,049.86 : 133,589.37 = 42,286.94 : x
2. Step 2: Convert to fraction form
   89,049.86/133,589.37 = 42,286.94/x
3. Step 3: Cross multiply
   89,049.86x = 133,589.37 × 42,286.94
4. Step 4: Simplify right side
   89,049.86x = 5,649,085,005.88
5. Step 5: Solve for x
   x = 5,649,085,005.88/89,049.86
6. Step 6: Final answer
   x = 63,437.33