Finding the Fourth Proportional to 2,461.52, 3,692.10 and 818.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.52 : 3,692.10 = 818.12 : x
2. Step 2: Convert to fraction form
   2,461.52/3,692.10 = 818.12/x
3. Step 3: Cross multiply
   2,461.52x = 3,692.10 × 818.12
4. Step 4: Simplify right side
   2,461.52x = 3,020,580.85
5. Step 5: Solve for x
   x = 3,020,580.85/2,461.52
6. Step 6: Final answer
   x = 1,227.12