Finding the Fourth Proportional to 16,758.16, 23,126.52 and 9,685.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,758.16 : 23,126.52 = 9,685.60 : x
2. Step 2: Convert to fraction form
   16,758.16/23,126.52 = 9,685.60/x
3. Step 3: Cross multiply
   16,758.16x = 23,126.52 × 9,685.60
4. Step 4: Simplify right side
   16,758.16x = 223,994,222.11
5. Step 5: Solve for x
   x = 223,994,222.11/16,758.16
6. Step 6: Final answer
   x = 13,366.28