Finding the Fourth Proportional to 2,318.85, 3,200.27 and 1,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.85 : 3,200.27 = 1,610.50 : x
2. Step 2: Convert to fraction form
   2,318.85/3,200.27 = 1,610.50/x
3. Step 3: Cross multiply
   2,318.85x = 3,200.27 × 1,610.50
4. Step 4: Simplify right side
   2,318.85x = 5,154,034.84
5. Step 5: Solve for x
   x = 5,154,034.84/2,318.85
6. Step 6: Final answer
   x = 2,222.67