Finding the Fourth Proportional to 2,898.46, 4,340.37 and 2,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,898.46 : 4,340.37 = 2,081.98 : x
2. Step 2: Convert to fraction form
   2,898.46/4,340.37 = 2,081.98/x
3. Step 3: Cross multiply
   2,898.46x = 4,340.37 × 2,081.98
4. Step 4: Simplify right side
   2,898.46x = 9,036,563.53
5. Step 5: Solve for x
   x = 9,036,563.53/2,898.46
6. Step 6: Final answer
   x = 3,117.71