Finding the Fourth Proportional to 5,123.22, 7,069.46 and 2,885.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.22 : 7,069.46 = 2,885.04 : x
2. Step 2: Convert to fraction form
   5,123.22/7,069.46 = 2,885.04/x
3. Step 3: Cross multiply
   5,123.22x = 7,069.46 × 2,885.04
4. Step 4: Simplify right side
   5,123.22x = 20,395,660.45
5. Step 5: Solve for x
   x = 20,395,660.45/5,123.22
6. Step 6: Final answer
   x = 3,981.02