Finding the Fourth Proportional to 2,791.48, 4,181.72 and 1,400.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,791.48 : 4,181.72 = 1,400.72 : x
2. Step 2: Convert to fraction form
   2,791.48/4,181.72 = 1,400.72/x
3. Step 3: Cross multiply
   2,791.48x = 4,181.72 × 1,400.72
4. Step 4: Simplify right side
   2,791.48x = 5,857,418.84
5. Step 5: Solve for x
   x = 5,857,418.84/2,791.48
6. Step 6: Final answer
   x = 2,098.32