Finding the Fourth Proportional to 8,300.42, 11,454.57 and 4,574.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.42 : 11,454.57 = 4,574.42 : x
2. Step 2: Convert to fraction form
   8,300.42/11,454.57 = 4,574.42/x
3. Step 3: Cross multiply
   8,300.42x = 11,454.57 × 4,574.42
4. Step 4: Simplify right side
   8,300.42x = 52,397,956.83
5. Step 5: Solve for x
   x = 52,397,956.83/8,300.42
6. Step 6: Final answer
   x = 6,312.69