Finding the Fourth Proportional to 6,763.91, 9,334.16 and 3,779.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,763.91 : 9,334.16 = 3,779.72 : x
2. Step 2: Convert to fraction form
   6,763.91/9,334.16 = 3,779.72/x
3. Step 3: Cross multiply
   6,763.91x = 9,334.16 × 3,779.72
4. Step 4: Simplify right side
   6,763.91x = 35,280,464.56
5. Step 5: Solve for x
   x = 35,280,464.56/6,763.91
6. Step 6: Final answer
   x = 5,215.99