Finding the Fourth Proportional to 17,178, 23,705.48 and 9,726

Step by Step Solution

1. Step 1: Write the proportion equation
   17,178 : 23,705.48 = 9,726 : x
2. Step 2: Convert to fraction form
   17,178/23,705.48 = 9,726/x
3. Step 3: Cross multiply
   17,178x = 23,705.48 × 9,726
4. Step 4: Simplify right side
   17,178x = 230,559,498.48
5. Step 5: Solve for x
   x = 230,559,498.48/17,178
6. Step 6: Final answer
   x = 13,421.79