Finding the Fourth Proportional to 17,019.72, 23,487.23 and 9,465.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,019.72 : 23,487.23 = 9,465.86 : x
2. Step 2: Convert to fraction form
   17,019.72/23,487.23 = 9,465.86/x
3. Step 3: Cross multiply
   17,019.72x = 23,487.23 × 9,465.86
4. Step 4: Simplify right side
   17,019.72x = 222,326,913.35
5. Step 5: Solve for x
   x = 222,326,913.35/17,019.72
6. Step 6: Final answer
   x = 13,062.90