Finding the Fourth Proportional to 1,314.93, 1,814.61 and 755.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.93 : 1,814.61 = 755.43 : x
2. Step 2: Convert to fraction form
   1,314.93/1,814.61 = 755.43/x
3. Step 3: Cross multiply
   1,314.93x = 1,814.61 × 755.43
4. Step 4: Simplify right side
   1,314.93x = 1,370,810.83
5. Step 5: Solve for x
   x = 1,370,810.83/1,314.93
6. Step 6: Final answer
   x = 1,042.50