Finding the Fourth Proportional to 12,175.72, 18,273.94 and 4,785.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,175.72 : 18,273.94 = 4,785.34 : x
2. Step 2: Convert to fraction form
   12,175.72/18,273.94 = 4,785.34/x
3. Step 3: Cross multiply
   12,175.72x = 18,273.94 × 4,785.34
4. Step 4: Simplify right side
   12,175.72x = 87,447,016.04
5. Step 5: Solve for x
   x = 87,447,016.04/12,175.72
6. Step 6: Final answer
   x = 7,182.08