Finding the Fourth Proportional to 17,266.81, 23,820.72 and 10,888.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,266.81 : 23,820.72 = 10,888.37 : x
2. Step 2: Convert to fraction form
   17,266.81/23,820.72 = 10,888.37/x
3. Step 3: Cross multiply
   17,266.81x = 23,820.72 × 10,888.37
4. Step 4: Simplify right side
   17,266.81x = 259,368,813.03
5. Step 5: Solve for x
   x = 259,368,813.03/17,266.81
6. Step 6: Final answer
   x = 15,021.24