Finding the Fourth Proportional to 116,567.79, 160,854.09 and 65,588.82

Step by Step Solution

1. Step 1: Write the proportion equation
   116,567.79 : 160,854.09 = 65,588.82 : x
2. Step 2: Convert to fraction form
   116,567.79/160,854.09 = 65,588.82/x
3. Step 3: Cross multiply
   116,567.79x = 160,854.09 × 65,588.82
4. Step 4: Simplify right side
   116,567.79x = 10,550,229,955.27
5. Step 5: Solve for x
   x = 10,550,229,955.27/116,567.79
6. Step 6: Final answer
   x = 90,507.25