Finding the Fourth Proportional to 16,498.54, 22,771.14 and 12,906.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.54 : 22,771.14 = 12,906.34 : x
2. Step 2: Convert to fraction form
   16,498.54/22,771.14 = 12,906.34/x
3. Step 3: Cross multiply
   16,498.54x = 22,771.14 × 12,906.34
4. Step 4: Simplify right side
   16,498.54x = 293,892,075.03
5. Step 5: Solve for x
   x = 293,892,075.03/16,498.54
6. Step 6: Final answer
   x = 17,813.22