Finding the Fourth Proportional to 6,803.86, 9,389.06 and 3,819.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,803.86 : 9,389.06 = 3,819.82 : x
2. Step 2: Convert to fraction form
   6,803.86/9,389.06 = 3,819.82/x
3. Step 3: Cross multiply
   6,803.86x = 9,389.06 × 3,819.82
4. Step 4: Simplify right side
   6,803.86x = 35,864,519.17
5. Step 5: Solve for x
   x = 35,864,519.17/6,803.86
6. Step 6: Final answer
   x = 5,271.20