Finding the Fourth Proportional to 9,300.48, 12,830.40 and 5,942.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.48 : 12,830.40 = 5,942.40 : x
2. Step 2: Convert to fraction form
   9,300.48/12,830.40 = 5,942.40/x
3. Step 3: Cross multiply
   9,300.48x = 12,830.40 × 5,942.40
4. Step 4: Simplify right side
   9,300.48x = 76,243,368.96
5. Step 5: Solve for x
   x = 76,243,368.96/9,300.48
6. Step 6: Final answer
   x = 8,197.79