Finding the Fourth Proportional to 16,816.44, 23,206.59 and 9,742.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,816.44 : 23,206.59 = 9,742.71 : x
2. Step 2: Convert to fraction form
   16,816.44/23,206.59 = 9,742.71/x
3. Step 3: Cross multiply
   16,816.44x = 23,206.59 × 9,742.71
4. Step 4: Simplify right side
   16,816.44x = 226,095,076.46
5. Step 5: Solve for x
   x = 226,095,076.46/16,816.44
6. Step 6: Final answer
   x = 13,444.88