Finding the Fourth Proportional to 6,340.55, 8,749.42 and 3,788.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,340.55 : 8,749.42 = 3,788.24 : x
2. Step 2: Convert to fraction form
   6,340.55/8,749.42 = 3,788.24/x
3. Step 3: Cross multiply
   6,340.55x = 8,749.42 × 3,788.24
4. Step 4: Simplify right side
   6,340.55x = 33,144,849.60
5. Step 5: Solve for x
   x = 33,144,849.60/6,340.55
6. Step 6: Final answer
   x = 5,227.44