Finding the Fourth Proportional to 9,175.72, 13,764.94 and 4,245.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,175.72 : 13,764.94 = 4,245.86 : x
2. Step 2: Convert to fraction form
   9,175.72/13,764.94 = 4,245.86/x
3. Step 3: Cross multiply
   9,175.72x = 13,764.94 × 4,245.86
4. Step 4: Simplify right side
   9,175.72x = 58,443,939.32
5. Step 5: Solve for x
   x = 58,443,939.32/9,175.72
6. Step 6: Final answer
   x = 6,369.42