Finding the Fourth Proportional to 1,314.98, 1,814.31 and 755.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.98 : 1,814.31 = 755.42 : x
2. Step 2: Convert to fraction form
   1,314.98/1,814.31 = 755.42/x
3. Step 3: Cross multiply
   1,314.98x = 1,814.31 × 755.42
4. Step 4: Simplify right side
   1,314.98x = 1,370,566.06
5. Step 5: Solve for x
   x = 1,370,566.06/1,314.98
6. Step 6: Final answer
   x = 1,042.27