Finding the Fourth Proportional to 9,924.48, 13,695.73 and 5,448.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,924.48 : 13,695.73 = 5,448.31 : x
2. Step 2: Convert to fraction form
   9,924.48/13,695.73 = 5,448.31/x
3. Step 3: Cross multiply
   9,924.48x = 13,695.73 × 5,448.31
4. Step 4: Simplify right side
   9,924.48x = 74,618,582.72
5. Step 5: Solve for x
   x = 74,618,582.72/9,924.48
6. Step 6: Final answer
   x = 7,518.64