Finding the Fourth Proportional to 116,839.12, 161,237.79 and 63,123.97

Step by Step Solution

1. Step 1: Write the proportion equation
   116,839.12 : 161,237.79 = 63,123.97 : x
2. Step 2: Convert to fraction form
   116,839.12/161,237.79 = 63,123.97/x
3. Step 3: Cross multiply
   116,839.12x = 161,237.79 × 63,123.97
4. Step 4: Simplify right side
   116,839.12x = 10,177,969,418.83
5. Step 5: Solve for x
   x = 10,177,969,418.83/116,839.12
6. Step 6: Final answer
   x = 87,110.97