Finding the Fourth Proportional to 12,073.70, 18,103.82 and 6,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,073.70 : 18,103.82 = 6,146.88 : x
2. Step 2: Convert to fraction form
   12,073.70/18,103.82 = 6,146.88/x
3. Step 3: Cross multiply
   12,073.70x = 18,103.82 × 6,146.88
4. Step 4: Simplify right side
   12,073.70x = 111,281,978.35
5. Step 5: Solve for x
   x = 111,281,978.35/12,073.70
6. Step 6: Final answer
   x = 9,216.89