Finding the Fourth Proportional to 10,678.52, 16,019.31 and 3,283.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,678.52 : 16,019.31 = 3,283.60 : x
2. Step 2: Convert to fraction form
   10,678.52/16,019.31 = 3,283.60/x
3. Step 3: Cross multiply
   10,678.52x = 16,019.31 × 3,283.60
4. Step 4: Simplify right side
   10,678.52x = 52,600,990.15
5. Step 5: Solve for x
   x = 52,600,990.15/10,678.52
6. Step 6: Final answer
   x = 4,925.87