Finding the Fourth Proportional to 23,109, 34,679.92 and 10,643.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109 : 34,679.92 = 10,643.10 : x
2. Step 2: Convert to fraction form
   23,109/34,679.92 = 10,643.10/x
3. Step 3: Cross multiply
   23,109x = 34,679.92 × 10,643.10
4. Step 4: Simplify right side
   23,109x = 369,101,856.55
5. Step 5: Solve for x
   x = 369,101,856.55/23,109
6. Step 6: Final answer
   x = 15,972.21