Finding the Fourth Proportional to 12,131.72, 18,197.68 and 3,367.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,131.72 : 18,197.68 = 3,367.32 : x
2. Step 2: Convert to fraction form
   12,131.72/18,197.68 = 3,367.32/x
3. Step 3: Cross multiply
   12,131.72x = 18,197.68 × 3,367.32
4. Step 4: Simplify right side
   12,131.72x = 61,277,411.82
5. Step 5: Solve for x
   x = 61,277,411.82/12,131.72
6. Step 6: Final answer
   x = 5,051.01