Finding the Fourth Proportional to 2,313.16, 3,469.50 and 1,080.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,313.16 : 3,469.50 = 1,080.81 : x
2. Step 2: Convert to fraction form
   2,313.16/3,469.50 = 1,080.81/x
3. Step 3: Cross multiply
   2,313.16x = 3,469.50 × 1,080.81
4. Step 4: Simplify right side
   2,313.16x = 3,749,870.30
5. Step 5: Solve for x
   x = 3,749,870.30/2,313.16
6. Step 6: Final answer
   x = 1,621.10