Finding the Fourth Proportional to 17,643.05, 24,347.69 and 9,686

Step by Step Solution

1. Step 1: Write the proportion equation
   17,643.05 : 24,347.69 = 9,686 : x
2. Step 2: Convert to fraction form
   17,643.05/24,347.69 = 9,686/x
3. Step 3: Cross multiply
   17,643.05x = 24,347.69 × 9,686
4. Step 4: Simplify right side
   17,643.05x = 235,831,725.34
5. Step 5: Solve for x
   x = 235,831,725.34/17,643.05
6. Step 6: Final answer
   x = 13,366.83