Finding the Fourth Proportional to 16,900.38, 23,322.72 and 9,347.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,900.38 : 23,322.72 = 9,347.33 : x
2. Step 2: Convert to fraction form
   16,900.38/23,322.72 = 9,347.33/x
3. Step 3: Cross multiply
   16,900.38x = 23,322.72 × 9,347.33
4. Step 4: Simplify right side
   16,900.38x = 218,005,160.34
5. Step 5: Solve for x
   x = 218,005,160.34/16,900.38
6. Step 6: Final answer
   x = 12,899.42