Finding the Fourth Proportional to 7,245.37, 10,863.69 and 3,953.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,245.37 : 10,863.69 = 3,953.89 : x
2. Step 2: Convert to fraction form
   7,245.37/10,863.69 = 3,953.89/x
3. Step 3: Cross multiply
   7,245.37x = 10,863.69 × 3,953.89
4. Step 4: Simplify right side
   7,245.37x = 42,953,835.25
5. Step 5: Solve for x
   x = 42,953,835.25/7,245.37
6. Step 6: Final answer
   x = 5,928.45