Finding the Fourth Proportional to 17,178.30, 23,707.98 and 9,626.64

Step by Step Solution

1. Step 1: Write the proportion equation
   17,178.30 : 23,707.98 = 9,626.64 : x
2. Step 2: Convert to fraction form
   17,178.30/23,707.98 = 9,626.64/x
3. Step 3: Cross multiply
   17,178.30x = 23,707.98 × 9,626.64
4. Step 4: Simplify right side
   17,178.30x = 228,228,188.59
5. Step 5: Solve for x
   x = 228,228,188.59/17,178.30
6. Step 6: Final answer
   x = 13,285.84