Finding the Fourth Proportional to 16,418.57, 22,656.69 and 9,704.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,418.57 : 22,656.69 = 9,704.81 : x
2. Step 2: Convert to fraction form
   16,418.57/22,656.69 = 9,704.81/x
3. Step 3: Cross multiply
   16,418.57x = 22,656.69 × 9,704.81
4. Step 4: Simplify right side
   16,418.57x = 219,878,928.32
5. Step 5: Solve for x
   x = 219,878,928.32/16,418.57
6. Step 6: Final answer
   x = 13,392.09