Finding the Fourth Proportional to 9,936.98, 14,890.35 and 4,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.98 : 14,890.35 = 4,086.62 : x
2. Step 2: Convert to fraction form
   9,936.98/14,890.35 = 4,086.62/x
3. Step 3: Cross multiply
   9,936.98x = 14,890.35 × 4,086.62
4. Step 4: Simplify right side
   9,936.98x = 60,851,202.12
5. Step 5: Solve for x
   x = 60,851,202.12/9,936.98
6. Step 6: Final answer
   x = 6,123.71