Finding the Fourth Proportional to 7,039.53, 9,714.50 and 3,895.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,039.53 : 9,714.50 = 3,895.89 : x
2. Step 2: Convert to fraction form
   7,039.53/9,714.50 = 3,895.89/x
3. Step 3: Cross multiply
   7,039.53x = 9,714.50 × 3,895.89
4. Step 4: Simplify right side
   7,039.53x = 37,846,603.93
5. Step 5: Solve for x
   x = 37,846,603.93/7,039.53
6. Step 6: Final answer
   x = 5,376.30