Finding the Fourth Proportional to 2,462.69, 3,692.50 and 818.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.69 : 3,692.50 = 818.81 : x
2. Step 2: Convert to fraction form
   2,462.69/3,692.50 = 818.81/x
3. Step 3: Cross multiply
   2,462.69x = 3,692.50 × 818.81
4. Step 4: Simplify right side
   2,462.69x = 3,023,455.93
5. Step 5: Solve for x
   x = 3,023,455.93/2,462.69
6. Step 6: Final answer
   x = 1,227.70