Finding the Fourth Proportional to 10,054.79, 13,874.04 and 5,747.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,054.79 : 13,874.04 = 5,747.81 : x
2. Step 2: Convert to fraction form
   10,054.79/13,874.04 = 5,747.81/x
3. Step 3: Cross multiply
   10,054.79x = 13,874.04 × 5,747.81
4. Step 4: Simplify right side
   10,054.79x = 79,745,380.54
5. Step 5: Solve for x
   x = 79,745,380.54/10,054.79
6. Step 6: Final answer
   x = 7,931.09