Finding the Fourth Proportional to 10,938.22, 16,408.41 and 3,148.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.22 : 16,408.41 = 3,148.18 : x
2. Step 2: Convert to fraction form
   10,938.22/16,408.41 = 3,148.18/x
3. Step 3: Cross multiply
   10,938.22x = 16,408.41 × 3,148.18
4. Step 4: Simplify right side
   10,938.22x = 51,656,628.19
5. Step 5: Solve for x
   x = 51,656,628.19/10,938.22
6. Step 6: Final answer
   x = 4,722.58