Finding the Fourth Proportional to 14,111.82, 19,469.88 and 8,142.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.82 : 19,469.88 = 8,142.71 : x
2. Step 2: Convert to fraction form
   14,111.82/19,469.88 = 8,142.71/x
3. Step 3: Cross multiply
   14,111.82x = 19,469.88 × 8,142.71
4. Step 4: Simplify right side
   14,111.82x = 158,537,489.23
5. Step 5: Solve for x
   x = 158,537,489.23/14,111.82
6. Step 6: Final answer
   x = 11,234.38