Finding the Fourth Proportional to 2,619.82, 3,613.62 and 2,059.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.82 : 3,613.62 = 2,059.48 : x
2. Step 2: Convert to fraction form
   2,619.82/3,613.62 = 2,059.48/x
3. Step 3: Cross multiply
   2,619.82x = 3,613.62 × 2,059.48
4. Step 4: Simplify right side
   2,619.82x = 7,442,178.12
5. Step 5: Solve for x
   x = 7,442,178.12/2,619.82
6. Step 6: Final answer
   x = 2,840.72