Finding the Fourth Proportional to 2,082.55, 3,125.35 and 986.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.55 : 3,125.35 = 986.91 : x
2. Step 2: Convert to fraction form
   2,082.55/3,125.35 = 986.91/x
3. Step 3: Cross multiply
   2,082.55x = 3,125.35 × 986.91
4. Step 4: Simplify right side
   2,082.55x = 3,084,426.01
5. Step 5: Solve for x
   x = 3,084,426.01/2,082.55
6. Step 6: Final answer
   x = 1,481.08