Finding the Fourth Proportional to 81,063.52, 111,869.52 and 50,850.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,063.52 : 111,869.52 = 50,850.10 : x
2. Step 2: Convert to fraction form
   81,063.52/111,869.52 = 50,850.10/x
3. Step 3: Cross multiply
   81,063.52x = 111,869.52 × 50,850.10
4. Step 4: Simplify right side
   81,063.52x = 5,688,576,278.95
5. Step 5: Solve for x
   x = 5,688,576,278.95/81,063.52
6. Step 6: Final answer
   x = 70,174.31