Finding the Fourth Proportional to 9,445.41, 14,161.71 and 5,288.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,445.41 : 14,161.71 = 5,288.28 : x
2. Step 2: Convert to fraction form
   9,445.41/14,161.71 = 5,288.28/x
3. Step 3: Cross multiply
   9,445.41x = 14,161.71 × 5,288.28
4. Step 4: Simplify right side
   9,445.41x = 74,891,087.76
5. Step 5: Solve for x
   x = 74,891,087.76/9,445.41
6. Step 6: Final answer
   x = 7,928.83