Finding the Fourth Proportional to 17,576.25, 24,258.11 and 10,128.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,576.25 : 24,258.11 = 10,128.57 : x
2. Step 2: Convert to fraction form
   17,576.25/24,258.11 = 10,128.57/x
3. Step 3: Cross multiply
   17,576.25x = 24,258.11 × 10,128.57
4. Step 4: Simplify right side
   17,576.25x = 245,699,914.56
5. Step 5: Solve for x
   x = 245,699,914.56/17,576.25
6. Step 6: Final answer
   x = 13,979.09