Finding the Fourth Proportional to 23,847.48, 32,909.76 and 13,238.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,847.48 : 32,909.76 = 13,238.10 : x
2. Step 2: Convert to fraction form
   23,847.48/32,909.76 = 13,238.10/x
3. Step 3: Cross multiply
   23,847.48x = 32,909.76 × 13,238.10
4. Step 4: Simplify right side
   23,847.48x = 435,662,693.86
5. Step 5: Solve for x
   x = 435,662,693.86/23,847.48
6. Step 6: Final answer
   x = 18,268.71