Finding the Fourth Proportional to 6,171.48, 8,516.61 and 3,338.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,171.48 : 8,516.61 = 3,338.86 : x
2. Step 2: Convert to fraction form
   6,171.48/8,516.61 = 3,338.86/x
3. Step 3: Cross multiply
   6,171.48x = 8,516.61 × 3,338.86
4. Step 4: Simplify right side
   6,171.48x = 28,435,791.63
5. Step 5: Solve for x
   x = 28,435,791.63/6,171.48
6. Step 6: Final answer
   x = 4,607.61