Finding the Fourth Proportional to 3,514.52, 5,260.42 and 1,931

Step by Step Solution

1. Step 1: Write the proportion equation
   3,514.52 : 5,260.42 = 1,931 : x
2. Step 2: Convert to fraction form
   3,514.52/5,260.42 = 1,931/x
3. Step 3: Cross multiply
   3,514.52x = 5,260.42 × 1,931
4. Step 4: Simplify right side
   3,514.52x = 10,157,871.02
5. Step 5: Solve for x
   x = 10,157,871.02/3,514.52
6. Step 6: Final answer
   x = 2,890.26