Finding the Fourth Proportional to 11,777.85, 17,667.38 and 3,012.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,777.85 : 17,667.38 = 3,012.84 : x
2. Step 2: Convert to fraction form
   11,777.85/17,667.38 = 3,012.84/x
3. Step 3: Cross multiply
   11,777.85x = 17,667.38 × 3,012.84
4. Step 4: Simplify right side
   11,777.85x = 53,228,974.10
5. Step 5: Solve for x
   x = 53,228,974.10/11,777.85
6. Step 6: Final answer
   x = 4,519.41