Finding the Fourth Proportional to 9,512.78, 14,271.34 and 3,669.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,512.78 : 14,271.34 = 3,669.72 : x
2. Step 2: Convert to fraction form
   9,512.78/14,271.34 = 3,669.72/x
3. Step 3: Cross multiply
   9,512.78x = 14,271.34 × 3,669.72
4. Step 4: Simplify right side
   9,512.78x = 52,371,821.82
5. Step 5: Solve for x
   x = 52,371,821.82/9,512.78
6. Step 6: Final answer
   x = 5,505.42