Finding the Fourth Proportional to 2,162.61, 3,243.77 and 1,066

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.61 : 3,243.77 = 1,066 : x
2. Step 2: Convert to fraction form
   2,162.61/3,243.77 = 1,066/x
3. Step 3: Cross multiply
   2,162.61x = 3,243.77 × 1,066
4. Step 4: Simplify right side
   2,162.61x = 3,457,858.82
5. Step 5: Solve for x
   x = 3,457,858.82/2,162.61
6. Step 6: Final answer
   x = 1,598.93