Finding the Fourth Proportional to 23,268.10, 32,109.60 and 12,658

Step by Step Solution

1. Step 1: Write the proportion equation
   23,268.10 : 32,109.60 = 12,658 : x
2. Step 2: Convert to fraction form
   23,268.10/32,109.60 = 12,658/x
3. Step 3: Cross multiply
   23,268.10x = 32,109.60 × 12,658
4. Step 4: Simplify right side
   23,268.10x = 406,443,316.80
5. Step 5: Solve for x
   x = 406,443,316.80/23,268.10
6. Step 6: Final answer
   x = 17,467.83