Finding the Fourth Proportional to 17,736.37, 26,608.72 and 5,256.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,736.37 : 26,608.72 = 5,256.49 : x
2. Step 2: Convert to fraction form
   17,736.37/26,608.72 = 5,256.49/x
3. Step 3: Cross multiply
   17,736.37x = 26,608.72 × 5,256.49
4. Step 4: Simplify right side
   17,736.37x = 139,868,556.83
5. Step 5: Solve for x
   x = 139,868,556.83/17,736.37
6. Step 6: Final answer
   x = 7,885.98