Finding the Fourth Proportional to 8,013.94, 12,013.62 and 5,931.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,013.94 : 12,013.62 = 5,931.43 : x
2. Step 2: Convert to fraction form
   8,013.94/12,013.62 = 5,931.43/x
3. Step 3: Cross multiply
   8,013.94x = 12,013.62 × 5,931.43
4. Step 4: Simplify right side
   8,013.94x = 71,257,946.08
5. Step 5: Solve for x
   x = 71,257,946.08/8,013.94
6. Step 6: Final answer
   x = 8,891.75