Finding the Fourth Proportional to 68,958.72, 95,105.28 and 42,416.64

Step by Step Solution

1. Step 1: Write the proportion equation
   68,958.72 : 95,105.28 = 42,416.64 : x
2. Step 2: Convert to fraction form
   68,958.72/95,105.28 = 42,416.64/x
3. Step 3: Cross multiply
   68,958.72x = 95,105.28 × 42,416.64
4. Step 4: Simplify right side
   68,958.72x = 4,034,046,423.86
5. Step 5: Solve for x
   x = 4,034,046,423.86/68,958.72
6. Step 6: Final answer
   x = 58,499.44