Finding the Fourth Proportional to 2,066.37, 3,113.76 and 1,709.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.37 : 3,113.76 = 1,709.16 : x
2. Step 2: Convert to fraction form
   2,066.37/3,113.76 = 1,709.16/x
3. Step 3: Cross multiply
   2,066.37x = 3,113.76 × 1,709.16
4. Step 4: Simplify right side
   2,066.37x = 5,321,914.04
5. Step 5: Solve for x
   x = 5,321,914.04/2,066.37
6. Step 6: Final answer
   x = 2,575.49