Finding the Fourth Proportional to 1,384.63, 1,910.72 and 755.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.63 : 1,910.72 = 755.14 : x
2. Step 2: Convert to fraction form
   1,384.63/1,910.72 = 755.14/x
3. Step 3: Cross multiply
   1,384.63x = 1,910.72 × 755.14
4. Step 4: Simplify right side
   1,384.63x = 1,442,861.79
5. Step 5: Solve for x
   x = 1,442,861.79/1,384.63
6. Step 6: Final answer
   x = 1,042.06