Finding the Fourth Proportional to 17,057.42, 23,538.89 and 9,503.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,057.42 : 23,538.89 = 9,503.72 : x
2. Step 2: Convert to fraction form
   17,057.42/23,538.89 = 9,503.72/x
3. Step 3: Cross multiply
   17,057.42x = 23,538.89 × 9,503.72
4. Step 4: Simplify right side
   17,057.42x = 223,706,972.15
5. Step 5: Solve for x
   x = 223,706,972.15/17,057.42
6. Step 6: Final answer
   x = 13,114.94