Finding the Fourth Proportional to 91,447.72, 126,169.86 and 59,605

Step by Step Solution

1. Step 1: Write the proportion equation
   91,447.72 : 126,169.86 = 59,605 : x
2. Step 2: Convert to fraction form
   91,447.72/126,169.86 = 59,605/x
3. Step 3: Cross multiply
   91,447.72x = 126,169.86 × 59,605
4. Step 4: Simplify right side
   91,447.72x = 7,520,354,505.30
5. Step 5: Solve for x
   x = 7,520,354,505.30/91,447.72
6. Step 6: Final answer
   x = 82,236.65