Finding the Fourth Proportional to 8,919.36, 12,314.37 and 5,734.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,919.36 : 12,314.37 = 5,734.14 : x
2. Step 2: Convert to fraction form
   8,919.36/12,314.37 = 5,734.14/x
3. Step 3: Cross multiply
   8,919.36x = 12,314.37 × 5,734.14
4. Step 4: Simplify right side
   8,919.36x = 70,612,321.59
5. Step 5: Solve for x
   x = 70,612,321.59/8,919.36
6. Step 6: Final answer
   x = 7,916.75