Finding the Fourth Proportional to 1,384.66, 1,910.82 and 755.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.66 : 1,910.82 = 755.18 : x
2. Step 2: Convert to fraction form
   1,384.66/1,910.82 = 755.18/x
3. Step 3: Cross multiply
   1,384.66x = 1,910.82 × 755.18
4. Step 4: Simplify right side
   1,384.66x = 1,443,008.12
5. Step 5: Solve for x
   x = 1,443,008.12/1,384.66
6. Step 6: Final answer
   x = 1,042.14