Finding the Fourth Proportional to 31,269.51, 43,150.32 and 17,122.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,269.51 : 43,150.32 = 17,122.05 : x
2. Step 2: Convert to fraction form
   31,269.51/43,150.32 = 17,122.05/x
3. Step 3: Cross multiply
   31,269.51x = 43,150.32 × 17,122.05
4. Step 4: Simplify right side
   31,269.51x = 738,821,936.56
5. Step 5: Solve for x
   x = 738,821,936.56/31,269.51
6. Step 6: Final answer
   x = 23,627.55