Finding the Fourth Proportional to 23,116.47, 34,667.71 and 12,017.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,116.47 : 34,667.71 = 12,017.08 : x
2. Step 2: Convert to fraction form
   23,116.47/34,667.71 = 12,017.08/x
3. Step 3: Cross multiply
   23,116.47x = 34,667.71 × 12,017.08
4. Step 4: Simplify right side
   23,116.47x = 416,604,644.49
5. Step 5: Solve for x
   x = 416,604,644.49/23,116.47
6. Step 6: Final answer
   x = 18,021.98