Finding the Fourth Proportional to 11,280.87, 16,914.42 and 3,883.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,280.87 : 16,914.42 = 3,883.28 : x
2. Step 2: Convert to fraction form
   11,280.87/16,914.42 = 3,883.28/x
3. Step 3: Cross multiply
   11,280.87x = 16,914.42 × 3,883.28
4. Step 4: Simplify right side
   11,280.87x = 65,683,344.33
5. Step 5: Solve for x
   x = 65,683,344.33/11,280.87
6. Step 6: Final answer
   x = 5,822.54