Finding the Fourth Proportional to 17,021.60, 23,490.72 and 9,952.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,021.60 : 23,490.72 = 9,952.16 : x
2. Step 2: Convert to fraction form
   17,021.60/23,490.72 = 9,952.16/x
3. Step 3: Cross multiply
   17,021.60x = 23,490.72 × 9,952.16
4. Step 4: Simplify right side
   17,021.60x = 233,783,403.96
5. Step 5: Solve for x
   x = 233,783,403.96/17,021.60
6. Step 6: Final answer
   x = 13,734.51