Finding the Fourth Proportional to 1,314.76, 1,814.17 and 755.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,314.76 : 1,814.17 = 755.25 : x
2. Step 2: Convert to fraction form
   1,314.76/1,814.17 = 755.25/x
3. Step 3: Cross multiply
   1,314.76x = 1,814.17 × 755.25
4. Step 4: Simplify right side
   1,314.76x = 1,370,151.89
5. Step 5: Solve for x
   x = 1,370,151.89/1,314.76
6. Step 6: Final answer
   x = 1,042.13