Finding the Fourth Proportional to 2,476.42, 3,713.69 and 810.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.42 : 3,713.69 = 810.16 : x
2. Step 2: Convert to fraction form
   2,476.42/3,713.69 = 810.16/x
3. Step 3: Cross multiply
   2,476.42x = 3,713.69 × 810.16
4. Step 4: Simplify right side
   2,476.42x = 3,008,675.83
5. Step 5: Solve for x
   x = 3,008,675.83/2,476.42
6. Step 6: Final answer
   x = 1,214.93