Finding the Fourth Proportional to 16,655.12, 22,973.49 and 12,667.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,655.12 : 22,973.49 = 12,667.49 : x
2. Step 2: Convert to fraction form
   16,655.12/22,973.49 = 12,667.49/x
3. Step 3: Cross multiply
   16,655.12x = 22,973.49 × 12,667.49
4. Step 4: Simplify right side
   16,655.12x = 291,016,339.97
5. Step 5: Solve for x
   x = 291,016,339.97/16,655.12
6. Step 6: Final answer
   x = 17,473.09