Finding the Fourth Proportional to 81,948.50, 113,082.04 and 50,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,948.50 : 113,082.04 = 50,111.25 : x
2. Step 2: Convert to fraction form
   81,948.50/113,082.04 = 50,111.25/x
3. Step 3: Cross multiply
   81,948.50x = 113,082.04 × 50,111.25
4. Step 4: Simplify right side
   81,948.50x = 5,666,682,376.95
5. Step 5: Solve for x
   x = 5,666,682,376.95/81,948.50
6. Step 6: Final answer
   x = 69,149.31