Finding the Fourth Proportional to 10,361.29, 14,283.52 and 7,169.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,361.29 : 14,283.52 = 7,169.72 : x
2. Step 2: Convert to fraction form
   10,361.29/14,283.52 = 7,169.72/x
3. Step 3: Cross multiply
   10,361.29x = 14,283.52 × 7,169.72
4. Step 4: Simplify right side
   10,361.29x = 102,408,870.35
5. Step 5: Solve for x
   x = 102,408,870.35/10,361.29
6. Step 6: Final answer
   x = 9,883.80