Finding the Fourth Proportional to 17,768.49, 24,520.56 and 9,702.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,768.49 : 24,520.56 = 9,702.17 : x
2. Step 2: Convert to fraction form
   17,768.49/24,520.56 = 9,702.17/x
3. Step 3: Cross multiply
   17,768.49x = 24,520.56 × 9,702.17
4. Step 4: Simplify right side
   17,768.49x = 237,902,519.01
5. Step 5: Solve for x
   x = 237,902,519.01/17,768.49
6. Step 6: Final answer
   x = 13,389.01