Finding the Fourth Proportional to 10,928.71, 16,395.19 and 3,531.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,928.71 : 16,395.19 = 3,531.18 : x
2. Step 2: Convert to fraction form
   10,928.71/16,395.19 = 3,531.18/x
3. Step 3: Cross multiply
   10,928.71x = 16,395.19 × 3,531.18
4. Step 4: Simplify right side
   10,928.71x = 57,894,367.02
5. Step 5: Solve for x
   x = 57,894,367.02/10,928.71
6. Step 6: Final answer
   x = 5,297.46