Finding the Fourth Proportional to 2,986.00, 4,479.71 and 2,936.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,986.00 : 4,479.71 = 2,936.42 : x
2. Step 2: Convert to fraction form
   2,986.00/4,479.71 = 2,936.42/x
3. Step 3: Cross multiply
   2,986.00x = 4,479.71 × 2,936.42
4. Step 4: Simplify right side
   2,986.00x = 13,154,272.96
5. Step 5: Solve for x
   x = 13,154,272.96/2,986.00
6. Step 6: Final answer
   x = 4,405.32