Finding the Fourth Proportional to 6,318.61, 8,719.59 and 3,667.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,318.61 : 8,719.59 = 3,667.53 : x
2. Step 2: Convert to fraction form
   6,318.61/8,719.59 = 3,667.53/x
3. Step 3: Cross multiply
   6,318.61x = 8,719.59 × 3,667.53
4. Step 4: Simplify right side
   6,318.61x = 31,979,357.91
5. Step 5: Solve for x
   x = 31,979,357.91/6,318.61
6. Step 6: Final answer
   x = 5,061.14