Finding the Fourth Proportional to 113,481.36, 156,631.86 and 65,727

Step by Step Solution

1. Step 1: Write the proportion equation
   113,481.36 : 156,631.86 = 65,727 : x
2. Step 2: Convert to fraction form
   113,481.36/156,631.86 = 65,727/x
3. Step 3: Cross multiply
   113,481.36x = 156,631.86 × 65,727
4. Step 4: Simplify right side
   113,481.36x = 10,294,942,262.22
5. Step 5: Solve for x
   x = 10,294,942,262.22/113,481.36
6. Step 6: Final answer
   x = 90,719.24