Finding the Fourth Proportional to 17,012.96, 23,477.42 and 9,459.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,012.96 : 23,477.42 = 9,459.12 : x
2. Step 2: Convert to fraction form
   17,012.96/23,477.42 = 9,459.12/x
3. Step 3: Cross multiply
   17,012.96x = 23,477.42 × 9,459.12
4. Step 4: Simplify right side
   17,012.96x = 222,075,733.07
5. Step 5: Solve for x
   x = 222,075,733.07/17,012.96
6. Step 6: Final answer
   x = 13,053.33