Finding the Fourth Proportional to 116,983.24, 161,456.72 and 66,010.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,983.24 : 161,456.72 = 66,010.42 : x
2. Step 2: Convert to fraction form
   116,983.24/161,456.72 = 66,010.42/x
3. Step 3: Cross multiply
   116,983.24x = 161,456.72 × 66,010.42
4. Step 4: Simplify right side
   116,983.24x = 10,657,825,502.35
5. Step 5: Solve for x
   x = 10,657,825,502.35/116,983.24
6. Step 6: Final answer
   x = 91,105.58