Finding the Fourth Proportional to 17,721.03, 26,573.58 and 5,236.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.03 : 26,573.58 = 5,236.71 : x
2. Step 2: Convert to fraction form
   17,721.03/26,573.58 = 5,236.71/x
3. Step 3: Cross multiply
   17,721.03x = 26,573.58 × 5,236.71
4. Step 4: Simplify right side
   17,721.03x = 139,158,132.12
5. Step 5: Solve for x
   x = 139,158,132.12/17,721.03
6. Step 6: Final answer
   x = 7,852.71