Finding the Fourth Proportional to 31,865.09, 43,969.88 and 17,522.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,865.09 : 43,969.88 = 17,522.55 : x
2. Step 2: Convert to fraction form
   31,865.09/43,969.88 = 17,522.55/x
3. Step 3: Cross multiply
   31,865.09x = 43,969.88 × 17,522.55
4. Step 4: Simplify right side
   31,865.09x = 770,464,333.18
5. Step 5: Solve for x
   x = 770,464,333.18/31,865.09
6. Step 6: Final answer
   x = 24,178.95