Finding the Fourth Proportional to 81,850.72, 112,960 and 50,025.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,850.72 : 112,960 = 50,025.76 : x
2. Step 2: Convert to fraction form
   81,850.72/112,960 = 50,025.76/x
3. Step 3: Cross multiply
   81,850.72x = 112,960 × 50,025.76
4. Step 4: Simplify right side
   81,850.72x = 5,650,909,849.60
5. Step 5: Solve for x
   x = 5,650,909,849.60/81,850.72
6. Step 6: Final answer
   x = 69,039.22