Finding the Fourth Proportional to 10,481.84, 15,724.72 and 3,086.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,481.84 : 15,724.72 = 3,086.32 : x
2. Step 2: Convert to fraction form
   10,481.84/15,724.72 = 3,086.32/x
3. Step 3: Cross multiply
   10,481.84x = 15,724.72 × 3,086.32
4. Step 4: Simplify right side
   10,481.84x = 48,531,517.83
5. Step 5: Solve for x
   x = 48,531,517.83/10,481.84
6. Step 6: Final answer
   x = 4,630.06