Finding the Fourth Proportional to 10,922.34, 16,383.38 and 3,131.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.34 : 16,383.38 = 3,131.12 : x
2. Step 2: Convert to fraction form
   10,922.34/16,383.38 = 3,131.12/x
3. Step 3: Cross multiply
   10,922.34x = 16,383.38 × 3,131.12
4. Step 4: Simplify right side
   10,922.34x = 51,298,328.79
5. Step 5: Solve for x
   x = 51,298,328.79/10,922.34
6. Step 6: Final answer
   x = 4,696.64