Finding the Fourth Proportional to 6,191.32, 9,290.84 and 3,855.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,191.32 : 9,290.84 = 3,855.91 : x
2. Step 2: Convert to fraction form
   6,191.32/9,290.84 = 3,855.91/x
3. Step 3: Cross multiply
   6,191.32x = 9,290.84 × 3,855.91
4. Step 4: Simplify right side
   6,191.32x = 35,824,642.86
5. Step 5: Solve for x
   x = 35,824,642.86/6,191.32
6. Step 6: Final answer
   x = 5,786.27