Finding the Fourth Proportional to 3,842.88, 5,760.70 and 3,500.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.88 : 5,760.70 = 3,500.50 : x
2. Step 2: Convert to fraction form
   3,842.88/5,760.70 = 3,500.50/x
3. Step 3: Cross multiply
   3,842.88x = 5,760.70 × 3,500.50
4. Step 4: Simplify right side
   3,842.88x = 20,165,330.35
5. Step 5: Solve for x
   x = 20,165,330.35/3,842.88
6. Step 6: Final answer
   x = 5,247.45