Finding the Fourth Proportional to 2,066.69, 3,100.52 and 1,142.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.69 : 3,100.52 = 1,142.03 : x
2. Step 2: Convert to fraction form
   2,066.69/3,100.52 = 1,142.03/x
3. Step 3: Cross multiply
   2,066.69x = 3,100.52 × 1,142.03
4. Step 4: Simplify right side
   2,066.69x = 3,540,886.86
5. Step 5: Solve for x
   x = 3,540,886.86/2,066.69
6. Step 6: Final answer
   x = 1,713.31