Finding the Fourth Proportional to 9,003.24, 13,509.71 and 4,386.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.24 : 13,509.71 = 4,386.24 : x
2. Step 2: Convert to fraction form
   9,003.24/13,509.71 = 4,386.24/x
3. Step 3: Cross multiply
   9,003.24x = 13,509.71 × 4,386.24
4. Step 4: Simplify right side
   9,003.24x = 59,256,824.91
5. Step 5: Solve for x
   x = 59,256,824.91/9,003.24
6. Step 6: Final answer
   x = 6,581.72