Finding the Fourth Proportional to 16,116.71, 22,235.85 and 13,127.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,116.71 : 22,235.85 = 13,127.27 : x
2. Step 2: Convert to fraction form
   16,116.71/22,235.85 = 13,127.27/x
3. Step 3: Cross multiply
   16,116.71x = 22,235.85 × 13,127.27
4. Step 4: Simplify right side
   16,116.71x = 291,895,895.45
5. Step 5: Solve for x
   x = 291,895,895.45/16,116.71
6. Step 6: Final answer
   x = 18,111.39