Finding the Fourth Proportional to 17,019.10, 23,479.19 and 12,293.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,019.10 : 23,479.19 = 12,293.02 : x
2. Step 2: Convert to fraction form
   17,019.10/23,479.19 = 12,293.02/x
3. Step 3: Cross multiply
   17,019.10x = 23,479.19 × 12,293.02
4. Step 4: Simplify right side
   17,019.10x = 288,630,152.25
5. Step 5: Solve for x
   x = 288,630,152.25/17,019.10
6. Step 6: Final answer
   x = 16,959.19