Finding the Fourth Proportional to 31,338.53, 43,244.59 and 17,191.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,338.53 : 43,244.59 = 17,191.37 : x
2. Step 2: Convert to fraction form
   31,338.53/43,244.59 = 17,191.37/x
3. Step 3: Cross multiply
   31,338.53x = 43,244.59 × 17,191.37
4. Step 4: Simplify right side
   31,338.53x = 743,433,812.32
5. Step 5: Solve for x
   x = 743,433,812.32/31,338.53
6. Step 6: Final answer
   x = 23,722.68