Finding the Fourth Proportional to 92,817.50, 139,284.82 and 39,509.39

Step by Step Solution

1. Step 1: Write the proportion equation
   92,817.50 : 139,284.82 = 39,509.39 : x
2. Step 2: Convert to fraction form
   92,817.50/139,284.82 = 39,509.39/x
3. Step 3: Cross multiply
   92,817.50x = 139,284.82 × 39,509.39
4. Step 4: Simplify right side
   92,817.50x = 5,503,058,076.91
5. Step 5: Solve for x
   x = 5,503,058,076.91/92,817.50
6. Step 6: Final answer
   x = 59,289.02