Finding the Fourth Proportional to 17,255.46, 23,809.62 and 9,700.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,255.46 : 23,809.62 = 9,700.79 : x
2. Step 2: Convert to fraction form
   17,255.46/23,809.62 = 9,700.79/x
3. Step 3: Cross multiply
   17,255.46x = 23,809.62 × 9,700.79
4. Step 4: Simplify right side
   17,255.46x = 230,972,004.55
5. Step 5: Solve for x
   x = 230,972,004.55/17,255.46
6. Step 6: Final answer
   x = 13,385.44