Finding the Fourth Proportional to 23,997.25, 33,116.11 and 13,386.87

Step by Step Solution

1. Step 1: Write the proportion equation
   23,997.25 : 33,116.11 = 13,386.87 : x
2. Step 2: Convert to fraction form
   23,997.25/33,116.11 = 13,386.87/x
3. Step 3: Cross multiply
   23,997.25x = 33,116.11 × 13,386.87
4. Step 4: Simplify right side
   23,997.25x = 443,321,026.01
5. Step 5: Solve for x
   x = 443,321,026.01/23,997.25
6. Step 6: Final answer
   x = 18,473.83