Finding the Fourth Proportional to 9,894.38, 13,654.29 and 7,378.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,894.38 : 13,654.29 = 7,378.73 : x
2. Step 2: Convert to fraction form
   9,894.38/13,654.29 = 7,378.73/x
3. Step 3: Cross multiply
   9,894.38x = 13,654.29 × 7,378.73
4. Step 4: Simplify right side
   9,894.38x = 100,751,250.98
5. Step 5: Solve for x
   x = 100,751,250.98/9,894.38
6. Step 6: Final answer
   x = 10,182.68