Finding the Fourth Proportional to 2,452.80, 3,377.46 and 2,113.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.80 : 3,377.46 = 2,113.82 : x
2. Step 2: Convert to fraction form
   2,452.80/3,377.46 = 2,113.82/x
3. Step 3: Cross multiply
   2,452.80x = 3,377.46 × 2,113.82
4. Step 4: Simplify right side
   2,452.80x = 7,139,342.50
5. Step 5: Solve for x
   x = 7,139,342.50/2,452.80
6. Step 6: Final answer
   x = 2,910.69