Finding the Fourth Proportional to 12,494.06, 18,736.47 and 4,171.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,494.06 : 18,736.47 = 4,171.83 : x
2. Step 2: Convert to fraction form
   12,494.06/18,736.47 = 4,171.83/x
3. Step 3: Cross multiply
   12,494.06x = 18,736.47 × 4,171.83
4. Step 4: Simplify right side
   12,494.06x = 78,165,367.64
5. Step 5: Solve for x
   x = 78,165,367.64/12,494.06
6. Step 6: Final answer
   x = 6,256.20