Finding the Fourth Proportional to 16,473.47, 22,736.61 and 12,881.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,473.47 : 22,736.61 = 12,881.33 : x
2. Step 2: Convert to fraction form
   16,473.47/22,736.61 = 12,881.33/x
3. Step 3: Cross multiply
   16,473.47x = 22,736.61 × 12,881.33
4. Step 4: Simplify right side
   16,473.47x = 292,877,776.49
5. Step 5: Solve for x
   x = 292,877,776.49/16,473.47
6. Step 6: Final answer
   x = 17,778.75