Finding the Fourth Proportional to 2,962.48, 4,089.72 and 2,801.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.48 : 4,089.72 = 2,801.68 : x
2. Step 2: Convert to fraction form
   2,962.48/4,089.72 = 2,801.68/x
3. Step 3: Cross multiply
   2,962.48x = 4,089.72 × 2,801.68
4. Step 4: Simplify right side
   2,962.48x = 11,458,086.73
5. Step 5: Solve for x
   x = 11,458,086.73/2,962.48
6. Step 6: Final answer
   x = 3,867.73