Finding the Fourth Proportional to 2,076.18, 2,858.92 and 1,485.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.18 : 2,858.92 = 1,485.69 : x
2. Step 2: Convert to fraction form
   2,076.18/2,858.92 = 1,485.69/x
3. Step 3: Cross multiply
   2,076.18x = 2,858.92 × 1,485.69
4. Step 4: Simplify right side
   2,076.18x = 4,247,468.85
5. Step 5: Solve for x
   x = 4,247,468.85/2,076.18
6. Step 6: Final answer
   x = 2,045.81