Finding the Fourth Proportional to 8,723.12, 12,028.74 and 7,468.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,723.12 : 12,028.74 = 7,468.32 : x
2. Step 2: Convert to fraction form
   8,723.12/12,028.74 = 7,468.32/x
3. Step 3: Cross multiply
   8,723.12x = 12,028.74 × 7,468.32
4. Step 4: Simplify right side
   8,723.12x = 89,834,479.52
5. Step 5: Solve for x
   x = 89,834,479.52/8,723.12
6. Step 6: Final answer
   x = 10,298.44