Finding the Fourth Proportional to 9,940.24, 13,717.86 and 5,464.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.24 : 13,717.86 = 5,464.15 : x
2. Step 2: Convert to fraction form
   9,940.24/13,717.86 = 5,464.15/x
3. Step 3: Cross multiply
   9,940.24x = 13,717.86 × 5,464.15
4. Step 4: Simplify right side
   9,940.24x = 74,956,444.72
5. Step 5: Solve for x
   x = 74,956,444.72/9,940.24
6. Step 6: Final answer
   x = 7,540.71