Finding the Fourth Proportional to 12,568.26, 18,854.83 and 4,776.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,568.26 : 18,854.83 = 4,776.47 : x
2. Step 2: Convert to fraction form
   12,568.26/18,854.83 = 4,776.47/x
3. Step 3: Cross multiply
   12,568.26x = 18,854.83 × 4,776.47
4. Step 4: Simplify right side
   12,568.26x = 90,059,485.38
5. Step 5: Solve for x
   x = 90,059,485.38/12,568.26
6. Step 6: Final answer
   x = 7,165.63