Finding the Fourth Proportional to 9,936.30, 13,711.42 and 5,460.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.30 : 13,711.42 = 5,460.24 : x
2. Step 2: Convert to fraction form
   9,936.30/13,711.42 = 5,460.24/x
3. Step 3: Cross multiply
   9,936.30x = 13,711.42 × 5,460.24
4. Step 4: Simplify right side
   9,936.30x = 74,867,643.94
5. Step 5: Solve for x
   x = 74,867,643.94/9,936.30
6. Step 6: Final answer
   x = 7,534.76