Finding the Fourth Proportional to 9,003.59, 12,429.63 and 6,578.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.59 : 12,429.63 = 6,578.24 : x
2. Step 2: Convert to fraction form
   9,003.59/12,429.63 = 6,578.24/x
3. Step 3: Cross multiply
   9,003.59x = 12,429.63 × 6,578.24
4. Step 4: Simplify right side
   9,003.59x = 81,765,089.25
5. Step 5: Solve for x
   x = 81,765,089.25/9,003.59
6. Step 6: Final answer
   x = 9,081.39