Finding the Fourth Proportional to 23,268.50, 32,111.54 and 13,196.90

Step by Step Solution

1. Step 1: Write the proportion equation
   23,268.50 : 32,111.54 = 13,196.90 : x
2. Step 2: Convert to fraction form
   23,268.50/32,111.54 = 13,196.90/x
3. Step 3: Cross multiply
   23,268.50x = 32,111.54 × 13,196.90
4. Step 4: Simplify right side
   23,268.50x = 423,772,555.68
5. Step 5: Solve for x
   x = 423,772,555.68/23,268.50
6. Step 6: Final answer
   x = 18,212.29