Finding the Fourth Proportional to 9,924.69, 13,696.38 and 5,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,924.69 : 13,696.38 = 5,448.72 : x
2. Step 2: Convert to fraction form
   9,924.69/13,696.38 = 5,448.72/x
3. Step 3: Cross multiply
   9,924.69x = 13,696.38 × 5,448.72
4. Step 4: Simplify right side
   9,924.69x = 74,627,739.63
5. Step 5: Solve for x
   x = 74,627,739.63/9,924.69
6. Step 6: Final answer
   x = 7,519.40