Finding the Fourth Proportional to 23,847, 32,908.86 and 13,238.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,847 : 32,908.86 = 13,238.34 : x
2. Step 2: Convert to fraction form
   23,847/32,908.86 = 13,238.34/x
3. Step 3: Cross multiply
   23,847x = 32,908.86 × 13,238.34
4. Step 4: Simplify right side
   23,847x = 435,658,677.69
5. Step 5: Solve for x
   x = 435,658,677.69/23,847
6. Step 6: Final answer
   x = 18,268.91