Finding the Fourth Proportional to 10,786.96, 14,885.86 and 6,071.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,786.96 : 14,885.86 = 6,071.32 : x
2. Step 2: Convert to fraction form
   10,786.96/14,885.86 = 6,071.32/x
3. Step 3: Cross multiply
   10,786.96x = 14,885.86 × 6,071.32
4. Step 4: Simplify right side
   10,786.96x = 90,376,819.54
5. Step 5: Solve for x
   x = 90,376,819.54/10,786.96
6. Step 6: Final answer
   x = 8,378.34