Finding the Fourth Proportional to 17,515.56, 24,171.82 and 9,558.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,515.56 : 24,171.82 = 9,558.12 : x
2. Step 2: Convert to fraction form
   17,515.56/24,171.82 = 9,558.12/x
3. Step 3: Cross multiply
   17,515.56x = 24,171.82 × 9,558.12
4. Step 4: Simplify right side
   17,515.56x = 231,037,156.18
5. Step 5: Solve for x
   x = 231,037,156.18/17,515.56
6. Step 6: Final answer
   x = 13,190.40