Finding the Fourth Proportional to 8,137.34, 12,206.01 and 2,942

Step by Step Solution

1. Step 1: Write the proportion equation
   8,137.34 : 12,206.01 = 2,942 : x
2. Step 2: Convert to fraction form
   8,137.34/12,206.01 = 2,942/x
3. Step 3: Cross multiply
   8,137.34x = 12,206.01 × 2,942
4. Step 4: Simplify right side
   8,137.34x = 35,910,081.42
5. Step 5: Solve for x
   x = 35,910,081.42/8,137.34
6. Step 6: Final answer
   x = 4,413