Finding the Fourth Proportional to 6,786.12, 9,365.42 and 3,801.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,786.12 : 9,365.42 = 3,801.91 : x
2. Step 2: Convert to fraction form
   6,786.12/9,365.42 = 3,801.91/x
3. Step 3: Cross multiply
   6,786.12x = 9,365.42 × 3,801.91
4. Step 4: Simplify right side
   6,786.12x = 35,606,483.95
5. Step 5: Solve for x
   x = 35,606,483.95/6,786.12
6. Step 6: Final answer
   x = 5,246.96