Finding the Fourth Proportional to 17,012.16, 23,478.08 and 9,459.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,012.16 : 23,478.08 = 9,459.10 : x
2. Step 2: Convert to fraction form
   17,012.16/23,478.08 = 9,459.10/x
3. Step 3: Cross multiply
   17,012.16x = 23,478.08 × 9,459.10
4. Step 4: Simplify right side
   17,012.16x = 222,081,506.53
5. Step 5: Solve for x
   x = 222,081,506.53/17,012.16
6. Step 6: Final answer
   x = 13,054.28