Finding the Fourth Proportional to 2,082.52, 3,125.31 and 986.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.52 : 3,125.31 = 986.88 : x
2. Step 2: Convert to fraction form
   2,082.52/3,125.31 = 986.88/x
3. Step 3: Cross multiply
   2,082.52x = 3,125.31 × 986.88
4. Step 4: Simplify right side
   2,082.52x = 3,084,319.50
5. Step 5: Solve for x
   x = 3,084,319.50/2,082.52
6. Step 6: Final answer
   x = 1,481.05