Finding the Fourth Proportional to 17,638.37, 26,450.89 and 7,104.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,638.37 : 26,450.89 = 7,104.82 : x
2. Step 2: Convert to fraction form
   17,638.37/26,450.89 = 7,104.82/x
3. Step 3: Cross multiply
   17,638.37x = 26,450.89 × 7,104.82
4. Step 4: Simplify right side
   17,638.37x = 187,928,728.40
5. Step 5: Solve for x
   x = 187,928,728.40/17,638.37
6. Step 6: Final answer
   x = 10,654.54