Finding the Fourth Proportional to 9,007.59, 12,430.77 and 5,230.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.59 : 12,430.77 = 5,230.52 : x
2. Step 2: Convert to fraction form
   9,007.59/12,430.77 = 5,230.52/x
3. Step 3: Cross multiply
   9,007.59x = 12,430.77 × 5,230.52
4. Step 4: Simplify right side
   9,007.59x = 65,019,425.87
5. Step 5: Solve for x
   x = 65,019,425.87/9,007.59
6. Step 6: Final answer
   x = 7,218.29