Finding the Fourth Proportional to 2,851.07, 4,281.46 and 2,489.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,851.07 : 4,281.46 = 2,489.00 : x
2. Step 2: Convert to fraction form
   2,851.07/4,281.46 = 2,489.00/x
3. Step 3: Cross multiply
   2,851.07x = 4,281.46 × 2,489.00
4. Step 4: Simplify right side
   2,851.07x = 10,656,526.31
5. Step 5: Solve for x
   x = 10,656,526.31/2,851.07
6. Step 6: Final answer
   x = 3,737.74