Finding the Fourth Proportional to 2,074.95, 3,115.35 and 1,662.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.95 : 3,115.35 = 1,662.80 : x
2. Step 2: Convert to fraction form
   2,074.95/3,115.35 = 1,662.80/x
3. Step 3: Cross multiply
   2,074.95x = 3,115.35 × 1,662.80
4. Step 4: Simplify right side
   2,074.95x = 5,180,188.40
5. Step 5: Solve for x
   x = 5,180,188.40/2,074.95
6. Step 6: Final answer
   x = 2,496.54