Finding the Fourth Proportional to 12,287.60, 18,434.18 and 4,496.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,287.60 : 18,434.18 = 4,496.41 : x
2. Step 2: Convert to fraction form
   12,287.60/18,434.18 = 4,496.41/x
3. Step 3: Cross multiply
   12,287.60x = 18,434.18 × 4,496.41
4. Step 4: Simplify right side
   12,287.60x = 82,887,631.29
5. Step 5: Solve for x
   x = 82,887,631.29/12,287.60
6. Step 6: Final answer
   x = 6,745.63