Finding the Fourth Proportional to 2,784.90, 3,843.69 and 1,791.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.90 : 3,843.69 = 1,791.42 : x
2. Step 2: Convert to fraction form
   2,784.90/3,843.69 = 1,791.42/x
3. Step 3: Cross multiply
   2,784.90x = 3,843.69 × 1,791.42
4. Step 4: Simplify right side
   2,784.90x = 6,885,663.14
5. Step 5: Solve for x
   x = 6,885,663.14/2,784.90
6. Step 6: Final answer
   x = 2,472.50