Finding the Fourth Proportional to 7,039.42, 9,714.06 and 3,895.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,039.42 : 9,714.06 = 3,895.54 : x
2. Step 2: Convert to fraction form
   7,039.42/9,714.06 = 3,895.54/x
3. Step 3: Cross multiply
   7,039.42x = 9,714.06 × 3,895.54
4. Step 4: Simplify right side
   7,039.42x = 37,841,509.29
5. Step 5: Solve for x
   x = 37,841,509.29/7,039.42
6. Step 6: Final answer
   x = 5,375.66