Finding the Fourth Proportional to 116,682.96, 161,018.76 and 65,698.32

Step by Step Solution

1. Step 1: Write the proportion equation
   116,682.96 : 161,018.76 = 65,698.32 : x
2. Step 2: Convert to fraction form
   116,682.96/161,018.76 = 65,698.32/x
3. Step 3: Cross multiply
   116,682.96x = 161,018.76 × 65,698.32
4. Step 4: Simplify right side
   116,682.96x = 10,578,662,020.48
5. Step 5: Solve for x
   x = 10,578,662,020.48/116,682.96
6. Step 6: Final answer
   x = 90,661.58