Finding the Fourth Proportional to 10,658.79, 15,980.69 and 3,635.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,658.79 : 15,980.69 = 3,635.48 : x
2. Step 2: Convert to fraction form
   10,658.79/15,980.69 = 3,635.48/x
3. Step 3: Cross multiply
   10,658.79x = 15,980.69 × 3,635.48
4. Step 4: Simplify right side
   10,658.79x = 58,097,527.92
5. Step 5: Solve for x
   x = 58,097,527.92/10,658.79
6. Step 6: Final answer
   x = 5,450.67