Finding the Fourth Proportional to 1,814.78, 2,504.31 and 1,116.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.78 : 2,504.31 = 1,116.02 : x
2. Step 2: Convert to fraction form
   1,814.78/2,504.31 = 1,116.02/x
3. Step 3: Cross multiply
   1,814.78x = 2,504.31 × 1,116.02
4. Step 4: Simplify right side
   1,814.78x = 2,794,860.05
5. Step 5: Solve for x
   x = 2,794,860.05/1,814.78
6. Step 6: Final answer
   x = 1,540.05