Finding the Fourth Proportional to 17,068.50, 23,554.63 and 9,515.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,068.50 : 23,554.63 = 9,515.31 : x
2. Step 2: Convert to fraction form
   17,068.50/23,554.63 = 9,515.31/x
3. Step 3: Cross multiply
   17,068.50x = 23,554.63 × 9,515.31
4. Step 4: Simplify right side
   17,068.50x = 224,129,606.39
5. Step 5: Solve for x
   x = 224,129,606.39/17,068.50
6. Step 6: Final answer
   x = 13,131.18