Finding the Fourth Proportional to 9,424.89, 13,005.77 and 5,445.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,424.89 : 13,005.77 = 5,445.36 : x
2. Step 2: Convert to fraction form
   9,424.89/13,005.77 = 5,445.36/x
3. Step 3: Cross multiply
   9,424.89x = 13,005.77 × 5,445.36
4. Step 4: Simplify right side
   9,424.89x = 70,821,072.50
5. Step 5: Solve for x
   x = 70,821,072.50/9,424.89
6. Step 6: Final answer
   x = 7,514.26