Finding the Fourth Proportional to 1,384.57, 1,910.69 and 755.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.57 : 1,910.69 = 755.08 : x
2. Step 2: Convert to fraction form
   1,384.57/1,910.69 = 755.08/x
3. Step 3: Cross multiply
   1,384.57x = 1,910.69 × 755.08
4. Step 4: Simplify right side
   1,384.57x = 1,442,731.29
5. Step 5: Solve for x
   x = 1,442,731.29/1,384.57
6. Step 6: Final answer
   x = 1,042.01