Finding the Fourth Proportional to 80,342.50, 110,826.48 and 50,113.30

Step by Step Solution

1. Step 1: Write the proportion equation
   80,342.50 : 110,826.48 = 50,113.30 : x
2. Step 2: Convert to fraction form
   80,342.50/110,826.48 = 50,113.30/x
3. Step 3: Cross multiply
   80,342.50x = 110,826.48 × 50,113.30
4. Step 4: Simplify right side
   80,342.50x = 5,553,880,640.18
5. Step 5: Solve for x
   x = 5,553,880,640.18/80,342.50
6. Step 6: Final answer
   x = 69,127.56