Finding the Fourth Proportional to 23,853.18, 32,918.88 and 13,243.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,853.18 : 32,918.88 = 13,243.02 : x
2. Step 2: Convert to fraction form
   23,853.18/32,918.88 = 13,243.02/x
3. Step 3: Cross multiply
   23,853.18x = 32,918.88 × 13,243.02
4. Step 4: Simplify right side
   23,853.18x = 435,945,386.22
5. Step 5: Solve for x
   x = 435,945,386.22/23,853.18
6. Step 6: Final answer
   x = 18,276.20