Finding the Fourth Proportional to 1,812.83, 2,501.46 and 1,066.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.83 : 2,501.46 = 1,066.64 : x
2. Step 2: Convert to fraction form
   1,812.83/2,501.46 = 1,066.64/x
3. Step 3: Cross multiply
   1,812.83x = 2,501.46 × 1,066.64
4. Step 4: Simplify right side
   1,812.83x = 2,668,144.79
5. Step 5: Solve for x
   x = 2,668,144.79/1,812.83
6. Step 6: Final answer
   x = 1,471.82