Finding the Fourth Proportional to 91,462.72, 126,190.56 and 59,620

Step by Step Solution

1. Step 1: Write the proportion equation
   91,462.72 : 126,190.56 = 59,620 : x
2. Step 2: Convert to fraction form
   91,462.72/126,190.56 = 59,620/x
3. Step 3: Cross multiply
   91,462.72x = 126,190.56 × 59,620
4. Step 4: Simplify right side
   91,462.72x = 7,523,481,187.20
5. Step 5: Solve for x
   x = 7,523,481,187.20/91,462.72
6. Step 6: Final answer
   x = 82,257.35