Finding the Fourth Proportional to 3,801.98, 5,246.39 and 2,123.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801.98 : 5,246.39 = 2,123.24 : x
2. Step 2: Convert to fraction form
   3,801.98/5,246.39 = 2,123.24/x
3. Step 3: Cross multiply
   3,801.98x = 5,246.39 × 2,123.24
4. Step 4: Simplify right side
   3,801.98x = 11,139,345.10
5. Step 5: Solve for x
   x = 11,139,345.10/3,801.98
6. Step 6: Final answer
   x = 2,929.88