Finding the Fourth Proportional to 11,781.76, 17,685.52 and 8,036.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,781.76 : 17,685.52 = 8,036.32 : x
2. Step 2: Convert to fraction form
   11,781.76/17,685.52 = 8,036.32/x
3. Step 3: Cross multiply
   11,781.76x = 17,685.52 × 8,036.32
4. Step 4: Simplify right side
   11,781.76x = 142,126,498.09
5. Step 5: Solve for x
   x = 142,126,498.09/11,781.76
6. Step 6: Final answer
   x = 12,063.27