Finding the Fourth Proportional to 17,771.27, 26,638.37 and 7,236.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,771.27 : 26,638.37 = 7,236.71 : x
2. Step 2: Convert to fraction form
   17,771.27/26,638.37 = 7,236.71/x
3. Step 3: Cross multiply
   17,771.27x = 26,638.37 × 7,236.71
4. Step 4: Simplify right side
   17,771.27x = 192,774,116.22
5. Step 5: Solve for x
   x = 192,774,116.22/17,771.27
6. Step 6: Final answer
   x = 10,847.52