Finding the Fourth Proportional to 3,222, 4,823.82 and 2,123.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222 : 4,823.82 = 2,123.01 : x
2. Step 2: Convert to fraction form
   3,222/4,823.82 = 2,123.01/x
3. Step 3: Cross multiply
   3,222x = 4,823.82 × 2,123.01
4. Step 4: Simplify right side
   3,222x = 10,241,018.10
5. Step 5: Solve for x
   x = 10,241,018.10/3,222
6. Step 6: Final answer
   x = 3,178.47