Finding the Fourth Proportional to 17,674.16, 24,390.70 and 9,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,674.16 : 24,390.70 = 9,716.72 : x
2. Step 2: Convert to fraction form
   17,674.16/24,390.70 = 9,716.72/x
3. Step 3: Cross multiply
   17,674.16x = 24,390.70 × 9,716.72
4. Step 4: Simplify right side
   17,674.16x = 236,997,602.50
5. Step 5: Solve for x
   x = 236,997,602.50/17,674.16
6. Step 6: Final answer
   x = 13,409.27