Finding the Fourth Proportional to 2,348.34, 3,522.78 and 789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.34 : 3,522.78 = 789.48 : x
2. Step 2: Convert to fraction form
   2,348.34/3,522.78 = 789.48/x
3. Step 3: Cross multiply
   2,348.34x = 3,522.78 × 789.48
4. Step 4: Simplify right side
   2,348.34x = 2,781,164.35
5. Step 5: Solve for x
   x = 2,781,164.35/2,348.34
6. Step 6: Final answer
   x = 1,184.31