Finding the Fourth Proportional to 2,460.78, 3,692.25 and 1,074.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.78 : 3,692.25 = 1,074.42 : x
2. Step 2: Convert to fraction form
   2,460.78/3,692.25 = 1,074.42/x
3. Step 3: Cross multiply
   2,460.78x = 3,692.25 × 1,074.42
4. Step 4: Simplify right side
   2,460.78x = 3,967,027.25
5. Step 5: Solve for x
   x = 3,967,027.25/2,460.78
6. Step 6: Final answer
   x = 1,612.10