Finding the Fourth Proportional to 2,298.23, 3,171.87 and 2,235.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.23 : 3,171.87 = 2,235.69 : x
2. Step 2: Convert to fraction form
   2,298.23/3,171.87 = 2,235.69/x
3. Step 3: Cross multiply
   2,298.23x = 3,171.87 × 2,235.69
4. Step 4: Simplify right side
   2,298.23x = 7,091,318.04
5. Step 5: Solve for x
   x = 7,091,318.04/2,298.23
6. Step 6: Final answer
   x = 3,085.56