Finding the Fourth Proportional to 7,039.50, 9,714.54 and 4,245.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,039.50 : 9,714.54 = 4,245.54 : x
2. Step 2: Convert to fraction form
   7,039.50/9,714.54 = 4,245.54/x
3. Step 3: Cross multiply
   7,039.50x = 9,714.54 × 4,245.54
4. Step 4: Simplify right side
   7,039.50x = 41,243,468.15
5. Step 5: Solve for x
   x = 41,243,468.15/7,039.50
6. Step 6: Final answer
   x = 5,858.86