Finding the Fourth Proportional to 3,801.82, 5,246.72 and 2,123.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801.82 : 5,246.72 = 2,123.24 : x
2. Step 2: Convert to fraction form
   3,801.82/5,246.72 = 2,123.24/x
3. Step 3: Cross multiply
   3,801.82x = 5,246.72 × 2,123.24
4. Step 4: Simplify right side
   3,801.82x = 11,140,045.77
5. Step 5: Solve for x
   x = 11,140,045.77/3,801.82
6. Step 6: Final answer
   x = 2,930.19