Finding the Fourth Proportional to 2,288.95, 3,449.54 and 2,069.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.95 : 3,449.54 = 2,069.82 : x
2. Step 2: Convert to fraction form
   2,288.95/3,449.54 = 2,069.82/x
3. Step 3: Cross multiply
   2,288.95x = 3,449.54 × 2,069.82
4. Step 4: Simplify right side
   2,288.95x = 7,139,926.88
5. Step 5: Solve for x
   x = 7,139,926.88/2,288.95
6. Step 6: Final answer
   x = 3,119.30