Finding the Fourth Proportional to 10,949.55, 16,436.63 and 4,380.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.55 : 16,436.63 = 4,380.36 : x
2. Step 2: Convert to fraction form
   10,949.55/16,436.63 = 4,380.36/x
3. Step 3: Cross multiply
   10,949.55x = 16,436.63 × 4,380.36
4. Step 4: Simplify right side
   10,949.55x = 71,998,356.59
5. Step 5: Solve for x
   x = 71,998,356.59/10,949.55
6. Step 6: Final answer
   x = 6,575.46