Finding the Fourth Proportional to 28,272.98, 42,379.94 and 9,546.53

Step by Step Solution

1. Step 1: Write the proportion equation
   28,272.98 : 42,379.94 = 9,546.53 : x
2. Step 2: Convert to fraction form
   28,272.98/42,379.94 = 9,546.53/x
3. Step 3: Cross multiply
   28,272.98x = 42,379.94 × 9,546.53
4. Step 4: Simplify right side
   28,272.98x = 404,581,180.57
5. Step 5: Solve for x
   x = 404,581,180.57/28,272.98
6. Step 6: Final answer
   x = 14,309.82