Finding the Fourth Proportional to 3,048.78, 4,203.72 and 1,868.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,048.78 : 4,203.72 = 1,868.82 : x
2. Step 2: Convert to fraction form
   3,048.78/4,203.72 = 1,868.82/x
3. Step 3: Cross multiply
   3,048.78x = 4,203.72 × 1,868.82
4. Step 4: Simplify right side
   3,048.78x = 7,855,996.01
5. Step 5: Solve for x
   x = 7,855,996.01/3,048.78
6. Step 6: Final answer
   x = 2,576.77