Finding the Fourth Proportional to 12,134.40, 18,201.59 and 3,369.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,134.40 : 18,201.59 = 3,369.31 : x
2. Step 2: Convert to fraction form
   12,134.40/18,201.59 = 3,369.31/x
3. Step 3: Cross multiply
   12,134.40x = 18,201.59 × 3,369.31
4. Step 4: Simplify right side
   12,134.40x = 61,326,799.20
5. Step 5: Solve for x
   x = 61,326,799.20/12,134.40
6. Step 6: Final answer
   x = 5,053.96