Finding the Fourth Proportional to 9,171.86, 13,751.71 and 3,328.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171.86 : 13,751.71 = 3,328.52 : x
2. Step 2: Convert to fraction form
   9,171.86/13,751.71 = 3,328.52/x
3. Step 3: Cross multiply
   9,171.86x = 13,751.71 × 3,328.52
4. Step 4: Simplify right side
   9,171.86x = 45,772,764.69
5. Step 5: Solve for x
   x = 45,772,764.69/9,171.86
6. Step 6: Final answer
   x = 4,990.57