Finding the Fourth Proportional to 7,874.40, 10,870.56 and 5,369.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,874.40 : 10,870.56 = 5,369.52 : x
2. Step 2: Convert to fraction form
   7,874.40/10,870.56 = 5,369.52/x
3. Step 3: Cross multiply
   7,874.40x = 10,870.56 × 5,369.52
4. Step 4: Simplify right side
   7,874.40x = 58,369,689.33
5. Step 5: Solve for x
   x = 58,369,689.33/7,874.40
6. Step 6: Final answer
   x = 7,412.59