Finding the Fourth Proportional to 17,320.05, 23,917.01 and 10,958.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,320.05 : 23,917.01 = 10,958.31 : x
2. Step 2: Convert to fraction form
   17,320.05/23,917.01 = 10,958.31/x
3. Step 3: Cross multiply
   17,320.05x = 23,917.01 × 10,958.31
4. Step 4: Simplify right side
   17,320.05x = 262,089,955.06
5. Step 5: Solve for x
   x = 262,089,955.06/17,320.05
6. Step 6: Final answer
   x = 15,132.17