Finding the Fourth Proportional to 2,903.34, 4,361.22 and 2,789.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,903.34 : 4,361.22 = 2,789.22 : x
2. Step 2: Convert to fraction form
   2,903.34/4,361.22 = 2,789.22/x
3. Step 3: Cross multiply
   2,903.34x = 4,361.22 × 2,789.22
4. Step 4: Simplify right side
   2,903.34x = 12,164,402.05
5. Step 5: Solve for x
   x = 12,164,402.05/2,903.34
6. Step 6: Final answer
   x = 4,189.80