Finding the Fourth Proportional to 8,928.91, 12,293.84 and 7,581.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,928.91 : 12,293.84 = 7,581.69 : x
2. Step 2: Convert to fraction form
   8,928.91/12,293.84 = 7,581.69/x
3. Step 3: Cross multiply
   8,928.91x = 12,293.84 × 7,581.69
4. Step 4: Simplify right side
   8,928.91x = 93,208,062.55
5. Step 5: Solve for x
   x = 93,208,062.55/8,928.91
6. Step 6: Final answer
   x = 10,438.91