Finding the Fourth Proportional to 17,736.41, 26,608.53 and 5,257.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,736.41 : 26,608.53 = 5,257.43 : x
2. Step 2: Convert to fraction form
   17,736.41/26,608.53 = 5,257.43/x
3. Step 3: Cross multiply
   17,736.41x = 26,608.53 × 5,257.43
4. Step 4: Simplify right side
   17,736.41x = 139,892,483.88
5. Step 5: Solve for x
   x = 139,892,483.88/17,736.41
6. Step 6: Final answer
   x = 7,887.31