Finding the Fourth Proportional to 9,300.85, 12,828.81 and 5,942.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.85 : 12,828.81 = 5,942.18 : x
2. Step 2: Convert to fraction form
   9,300.85/12,828.81 = 5,942.18/x
3. Step 3: Cross multiply
   9,300.85x = 12,828.81 × 5,942.18
4. Step 4: Simplify right side
   9,300.85x = 76,231,030.26
5. Step 5: Solve for x
   x = 76,231,030.26/9,300.85
6. Step 6: Final answer
   x = 8,196.14