Finding the Fourth Proportional to 5,527.89, 7,628.72 and 3,170.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,527.89 : 7,628.72 = 3,170.50 : x
2. Step 2: Convert to fraction form
   5,527.89/7,628.72 = 3,170.50/x
3. Step 3: Cross multiply
   5,527.89x = 7,628.72 × 3,170.50
4. Step 4: Simplify right side
   5,527.89x = 24,186,821.84
5. Step 5: Solve for x
   x = 24,186,821.84/5,527.89
6. Step 6: Final answer
   x = 4,375.42