Finding the Fourth Proportional to 7,078.50, 9,768.33 and 3,934.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.50 : 9,768.33 = 3,934.76 : x
2. Step 2: Convert to fraction form
   7,078.50/9,768.33 = 3,934.76/x
3. Step 3: Cross multiply
   7,078.50x = 9,768.33 × 3,934.76
4. Step 4: Simplify right side
   7,078.50x = 38,435,985.31
5. Step 5: Solve for x
   x = 38,435,985.31/7,078.50
6. Step 6: Final answer
   x = 5,429.96