Finding the Fourth Proportional to 9,442.72, 14,151.94 and 3,899.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,442.72 : 14,151.94 = 3,899.96 : x
2. Step 2: Convert to fraction form
   9,442.72/14,151.94 = 3,899.96/x
3. Step 3: Cross multiply
   9,442.72x = 14,151.94 × 3,899.96
4. Step 4: Simplify right side
   9,442.72x = 55,191,919.41
5. Step 5: Solve for x
   x = 55,191,919.41/9,442.72
6. Step 6: Final answer
   x = 5,844.92