Finding the Fourth Proportional to 116,637.96, 160,965.50 and 65,653.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,637.96 : 160,965.50 = 65,653.98 : x
2. Step 2: Convert to fraction form
   116,637.96/160,965.50 = 65,653.98/x
3. Step 3: Cross multiply
   116,637.96x = 160,965.50 × 65,653.98
4. Step 4: Simplify right side
   116,637.96x = 10,568,025,717.69
5. Step 5: Solve for x
   x = 10,568,025,717.69/116,637.96
6. Step 6: Final answer
   x = 90,605.37