Finding the Fourth Proportional to 2,059.21, 2,842.02 and 1,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.21 : 2,842.02 = 1,313.50 : x
2. Step 2: Convert to fraction form
   2,059.21/2,842.02 = 1,313.50/x
3. Step 3: Cross multiply
   2,059.21x = 2,842.02 × 1,313.50
4. Step 4: Simplify right side
   2,059.21x = 3,732,993.27
5. Step 5: Solve for x
   x = 3,732,993.27/2,059.21
6. Step 6: Final answer
   x = 1,812.83