Finding the Fourth Proportional to 6,368.55, 8,789.15 and 3,716.81

Step by Step Solution

1. Step 1: Write the proportion equation
   6,368.55 : 8,789.15 = 3,716.81 : x
2. Step 2: Convert to fraction form
   6,368.55/8,789.15 = 3,716.81/x
3. Step 3: Cross multiply
   6,368.55x = 8,789.15 × 3,716.81
4. Step 4: Simplify right side
   6,368.55x = 32,667,598.92
5. Step 5: Solve for x
   x = 32,667,598.92/6,368.55
6. Step 6: Final answer
   x = 5,129.52