Finding the Fourth Proportional to 8,722.69, 12,041.91 and 7,002.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,722.69 : 12,041.91 = 7,002.48 : x
2. Step 2: Convert to fraction form
   8,722.69/12,041.91 = 7,002.48/x
3. Step 3: Cross multiply
   8,722.69x = 12,041.91 × 7,002.48
4. Step 4: Simplify right side
   8,722.69x = 84,323,233.94
5. Step 5: Solve for x
   x = 84,323,233.94/8,722.69
6. Step 6: Final answer
   x = 9,667.11