Finding the Fourth Proportional to 81,310.41, 112,211.82 and 50,272.41

Step by Step Solution

1. Step 1: Write the proportion equation
   81,310.41 : 112,211.82 = 50,272.41 : x
2. Step 2: Convert to fraction form
   81,310.41/112,211.82 = 50,272.41/x
3. Step 3: Cross multiply
   81,310.41x = 112,211.82 × 50,272.41
4. Step 4: Simplify right side
   81,310.41x = 5,641,158,621.89
5. Step 5: Solve for x
   x = 5,641,158,621.89/81,310.41
6. Step 6: Final answer
   x = 69,378.06