Finding the Fourth Proportional to 18,089, 24,973.06 and 13,665.32

Step by Step Solution

1. Step 1: Write the proportion equation
   18,089 : 24,973.06 = 13,665.32 : x
2. Step 2: Convert to fraction form
   18,089/24,973.06 = 13,665.32/x
3. Step 3: Cross multiply
   18,089x = 24,973.06 × 13,665.32
4. Step 4: Simplify right side
   18,089x = 341,264,856.28
5. Step 5: Solve for x
   x = 341,264,856.28/18,089
6. Step 6: Final answer
   x = 18,865.88