Finding the Fourth Proportional to 7,907.94, 10,912.92 and 5,074.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,907.94 : 10,912.92 = 5,074.42 : x
2. Step 2: Convert to fraction form
   7,907.94/10,912.92 = 5,074.42/x
3. Step 3: Cross multiply
   7,907.94x = 10,912.92 × 5,074.42
4. Step 4: Simplify right side
   7,907.94x = 55,376,739.51
5. Step 5: Solve for x
   x = 55,376,739.51/7,907.94
6. Step 6: Final answer
   x = 7,002.68