Finding the Fourth Proportional to 23,736, 35,609.76 and 7,320

Step by Step Solution

1. Step 1: Write the proportion equation
   23,736 : 35,609.76 = 7,320 : x
2. Step 2: Convert to fraction form
   23,736/35,609.76 = 7,320/x
3. Step 3: Cross multiply
   23,736x = 35,609.76 × 7,320
4. Step 4: Simplify right side
   23,736x = 260,663,443.20
5. Step 5: Solve for x
   x = 260,663,443.20/23,736
6. Step 6: Final answer
   x = 10,981.78