Finding the Fourth Proportional to 91,504, 126,189.12 and 59,697.28

Step by Step Solution

1. Step 1: Write the proportion equation
   91,504 : 126,189.12 = 59,697.28 : x
2. Step 2: Convert to fraction form
   91,504/126,189.12 = 59,697.28/x
3. Step 3: Cross multiply
   91,504x = 126,189.12 × 59,697.28
4. Step 4: Simplify right side
   91,504x = 7,533,147,229.59
5. Step 5: Solve for x
   x = 7,533,147,229.59/91,504
6. Step 6: Final answer
   x = 82,325.88