Finding the Fourth Proportional to 2,370.39, 3,553.42 and 810.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,370.39 : 3,553.42 = 810.10 : x
2. Step 2: Convert to fraction form
   2,370.39/3,553.42 = 810.10/x
3. Step 3: Cross multiply
   2,370.39x = 3,553.42 × 810.10
4. Step 4: Simplify right side
   2,370.39x = 2,878,629.48
5. Step 5: Solve for x
   x = 2,878,629.48/2,370.39
6. Step 6: Final answer
   x = 1,214.41