Finding the Fourth Proportional to 9,164.41, 13,748.64 and 3,321.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.41 : 13,748.64 = 3,321.48 : x
2. Step 2: Convert to fraction form
   9,164.41/13,748.64 = 3,321.48/x
3. Step 3: Cross multiply
   9,164.41x = 13,748.64 × 3,321.48
4. Step 4: Simplify right side
   9,164.41x = 45,665,832.79
5. Step 5: Solve for x
   x = 45,665,832.79/9,164.41
6. Step 6: Final answer
   x = 4,982.95