Finding the Fourth Proportional to 3,986.42, 5,980.53 and 2,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.42 : 5,980.53 = 2,007.10 : x
2. Step 2: Convert to fraction form
   3,986.42/5,980.53 = 2,007.10/x
3. Step 3: Cross multiply
   3,986.42x = 5,980.53 × 2,007.10
4. Step 4: Simplify right side
   3,986.42x = 12,003,553.59
5. Step 5: Solve for x
   x = 12,003,553.59/3,986.42
6. Step 6: Final answer
   x = 3,011.11