Finding the Fourth Proportional to 2,285.37, 3,429.43 and 2,099.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.37 : 3,429.43 = 2,099.48 : x
2. Step 2: Convert to fraction form
   2,285.37/3,429.43 = 2,099.48/x
3. Step 3: Cross multiply
   2,285.37x = 3,429.43 × 2,099.48
4. Step 4: Simplify right side
   2,285.37x = 7,200,010.16
5. Step 5: Solve for x
   x = 7,200,010.16/2,285.37
6. Step 6: Final answer
   x = 3,150.47