Finding the Fourth Proportional to 3,986.01, 5,500.61 and 2,307.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.01 : 5,500.61 = 2,307.49 : x
2. Step 2: Convert to fraction form
   3,986.01/5,500.61 = 2,307.49/x
3. Step 3: Cross multiply
   3,986.01x = 5,500.61 × 2,307.49
4. Step 4: Simplify right side
   3,986.01x = 12,692,585.93
5. Step 5: Solve for x
   x = 12,692,585.93/3,986.01
6. Step 6: Final answer
   x = 3,184.28