Finding the Fourth Proportional to 11,518.56, 17,271.69 and 4,119

Step by Step Solution

1. Step 1: Write the proportion equation
   11,518.56 : 17,271.69 = 4,119 : x
2. Step 2: Convert to fraction form
   11,518.56/17,271.69 = 4,119/x
3. Step 3: Cross multiply
   11,518.56x = 17,271.69 × 4,119
4. Step 4: Simplify right side
   11,518.56x = 71,142,091.11
5. Step 5: Solve for x
   x = 71,142,091.11/11,518.56
6. Step 6: Final answer
   x = 6,176.30