Finding the Fourth Proportional to 7,099.16, 9,792.42 and 5,078.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,099.16 : 9,792.42 = 5,078.84 : x
2. Step 2: Convert to fraction form
   7,099.16/9,792.42 = 5,078.84/x
3. Step 3: Cross multiply
   7,099.16x = 9,792.42 × 5,078.84
4. Step 4: Simplify right side
   7,099.16x = 49,734,134.39
5. Step 5: Solve for x
   x = 49,734,134.39/7,099.16
6. Step 6: Final answer
   x = 7,005.64