Finding the Fourth Proportional to 4,091.58, 6,142.50 and 3,279.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,091.58 : 6,142.50 = 3,279.96 : x
2. Step 2: Convert to fraction form
   4,091.58/6,142.50 = 3,279.96/x
3. Step 3: Cross multiply
   4,091.58x = 6,142.50 × 3,279.96
4. Step 4: Simplify right side
   4,091.58x = 20,147,154.30
5. Step 5: Solve for x
   x = 20,147,154.30/4,091.58
6. Step 6: Final answer
   x = 4,924.05