Finding the Fourth Proportional to 2,072.44, 3,103.87 and 1,887.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.44 : 3,103.87 = 1,887.91 : x
2. Step 2: Convert to fraction form
   2,072.44/3,103.87 = 1,887.91/x
3. Step 3: Cross multiply
   2,072.44x = 3,103.87 × 1,887.91
4. Step 4: Simplify right side
   2,072.44x = 5,859,818.27
5. Step 5: Solve for x
   x = 5,859,818.27/2,072.44
6. Step 6: Final answer
   x = 2,827.50