Finding the Fourth Proportional to 81,967.14, 113,123.18 and 50,157.23

Step by Step Solution

1. Step 1: Write the proportion equation
   81,967.14 : 113,123.18 = 50,157.23 : x
2. Step 2: Convert to fraction form
   81,967.14/113,123.18 = 50,157.23/x
3. Step 3: Cross multiply
   81,967.14x = 113,123.18 × 50,157.23
4. Step 4: Simplify right side
   81,967.14x = 5,673,944,917.37
5. Step 5: Solve for x
   x = 5,673,944,917.37/81,967.14
6. Step 6: Final answer
   x = 69,222.19