Finding the Fourth Proportional to 17,691.72, 24,408.50 and 10,974.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,691.72 : 24,408.50 = 10,974.94 : x
2. Step 2: Convert to fraction form
   17,691.72/24,408.50 = 10,974.94/x
3. Step 3: Cross multiply
   17,691.72x = 24,408.50 × 10,974.94
4. Step 4: Simplify right side
   17,691.72x = 267,881,822.99
5. Step 5: Solve for x
   x = 267,881,822.99/17,691.72
6. Step 6: Final answer
   x = 15,141.65