Finding the Fourth Proportional to 17,156.40, 23,673.83 and 9,603.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,156.40 : 23,673.83 = 9,603.15 : x
2. Step 2: Convert to fraction form
   17,156.40/23,673.83 = 9,603.15/x
3. Step 3: Cross multiply
   17,156.40x = 23,673.83 × 9,603.15
4. Step 4: Simplify right side
   17,156.40x = 227,343,340.56
5. Step 5: Solve for x
   x = 227,343,340.56/17,156.40
6. Step 6: Final answer
   x = 13,251.23