Finding the Fourth Proportional to 11,786.52, 17,654.94 and 8,071.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,786.52 : 17,654.94 = 8,071.32 : x
2. Step 2: Convert to fraction form
   11,786.52/17,654.94 = 8,071.32/x
3. Step 3: Cross multiply
   11,786.52x = 17,654.94 × 8,071.32
4. Step 4: Simplify right side
   11,786.52x = 142,498,670.32
5. Step 5: Solve for x
   x = 142,498,670.32/11,786.52
6. Step 6: Final answer
   x = 12,089.97