Finding the Fourth Proportional to 81,309.27, 112,210.27 and 50,271.29

Step by Step Solution

1. Step 1: Write the proportion equation
   81,309.27 : 112,210.27 = 50,271.29 : x
2. Step 2: Convert to fraction form
   81,309.27/112,210.27 = 50,271.29/x
3. Step 3: Cross multiply
   81,309.27x = 112,210.27 × 50,271.29
4. Step 4: Simplify right side
   81,309.27x = 5,640,954,337.42
5. Step 5: Solve for x
   x = 5,640,954,337.42/81,309.27
6. Step 6: Final answer
   x = 69,376.52