Finding the Fourth Proportional to 16,194.72, 22,315.80 and 12,417.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,194.72 : 22,315.80 = 12,417.96 : x
2. Step 2: Convert to fraction form
   16,194.72/22,315.80 = 12,417.96/x
3. Step 3: Cross multiply
   16,194.72x = 22,315.80 × 12,417.96
4. Step 4: Simplify right side
   16,194.72x = 277,116,711.77
5. Step 5: Solve for x
   x = 277,116,711.77/16,194.72
6. Step 6: Final answer
   x = 17,111.55