Finding the Fourth Proportional to 7,128.15, 9,834.41 and 4,294.46

Step by Step Solution

1. Step 1: Write the proportion equation
   7,128.15 : 9,834.41 = 4,294.46 : x
2. Step 2: Convert to fraction form
   7,128.15/9,834.41 = 4,294.46/x
3. Step 3: Cross multiply
   7,128.15x = 9,834.41 × 4,294.46
4. Step 4: Simplify right side
   7,128.15x = 42,233,446.54
5. Step 5: Solve for x
   x = 42,233,446.54/7,128.15
6. Step 6: Final answer
   x = 5,924.88