Finding the Fourth Proportional to 8,667.95, 12,994.02 and 3,119.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.95 : 12,994.02 = 3,119.99 : x
2. Step 2: Convert to fraction form
   8,667.95/12,994.02 = 3,119.99/x
3. Step 3: Cross multiply
   8,667.95x = 12,994.02 × 3,119.99
4. Step 4: Simplify right side
   8,667.95x = 40,541,147.49
5. Step 5: Solve for x
   x = 40,541,147.49/8,667.95
6. Step 6: Final answer
   x = 4,677.13