Finding the Fourth Proportional to 17,123.68, 23,631.20 and 9,569.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.68 : 23,631.20 = 9,569.76 : x
2. Step 2: Convert to fraction form
   17,123.68/23,631.20 = 9,569.76/x
3. Step 3: Cross multiply
   17,123.68x = 23,631.20 × 9,569.76
4. Step 4: Simplify right side
   17,123.68x = 226,144,912.51
5. Step 5: Solve for x
   x = 226,144,912.51/17,123.68
6. Step 6: Final answer
   x = 13,206.56