Finding the Fourth Proportional to 1,077.27, 1,614.53 and 937.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.27 : 1,614.53 = 937.89 : x
2. Step 2: Convert to fraction form
   1,077.27/1,614.53 = 937.89/x
3. Step 3: Cross multiply
   1,077.27x = 1,614.53 × 937.89
4. Step 4: Simplify right side
   1,077.27x = 1,514,246.85
5. Step 5: Solve for x
   x = 1,514,246.85/1,077.27
6. Step 6: Final answer
   x = 1,405.63