Finding the Fourth Proportional to 16,899.93, 23,321.78 and 9,346.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899.93 : 23,321.78 = 9,346.27 : x
2. Step 2: Convert to fraction form
   16,899.93/23,321.78 = 9,346.27/x
3. Step 3: Cross multiply
   16,899.93x = 23,321.78 × 9,346.27
4. Step 4: Simplify right side
   16,899.93x = 217,971,606.03
5. Step 5: Solve for x
   x = 217,971,606.03/16,899.93
6. Step 6: Final answer
   x = 12,897.79