Finding the Fourth Proportional to 9,146.22, 13,721.48 and 3,302.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.22 : 13,721.48 = 3,302.88 : x
2. Step 2: Convert to fraction form
   9,146.22/13,721.48 = 3,302.88/x
3. Step 3: Cross multiply
   9,146.22x = 13,721.48 × 3,302.88
4. Step 4: Simplify right side
   9,146.22x = 45,320,401.86
5. Step 5: Solve for x
   x = 45,320,401.86/9,146.22
6. Step 6: Final answer
   x = 4,955.10