Finding the Fourth Proportional to 12,434.34, 18,645.75 and 4,112.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.34 : 18,645.75 = 4,112.82 : x
2. Step 2: Convert to fraction form
   12,434.34/18,645.75 = 4,112.82/x
3. Step 3: Cross multiply
   12,434.34x = 18,645.75 × 4,112.82
4. Step 4: Simplify right side
   12,434.34x = 76,686,613.52
5. Step 5: Solve for x
   x = 76,686,613.52/12,434.34
6. Step 6: Final answer
   x = 6,167.32