Finding the Fourth Proportional to 11,980.56, 17,958.60 and 4,182.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,980.56 : 17,958.60 = 4,182.96 : x
2. Step 2: Convert to fraction form
   11,980.56/17,958.60 = 4,182.96/x
3. Step 3: Cross multiply
   11,980.56x = 17,958.60 × 4,182.96
4. Step 4: Simplify right side
   11,980.56x = 75,120,105.46
5. Step 5: Solve for x
   x = 75,120,105.46/11,980.56
6. Step 6: Final answer
   x = 6,270.17