Finding the Fourth Proportional to 2,066.74, 3,097.18 and 1,142.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.74 : 3,097.18 = 1,142.71 : x
2. Step 2: Convert to fraction form
   2,066.74/3,097.18 = 1,142.71/x
3. Step 3: Cross multiply
   2,066.74x = 3,097.18 × 1,142.71
4. Step 4: Simplify right side
   2,066.74x = 3,539,178.56
5. Step 5: Solve for x
   x = 3,539,178.56/2,066.74
6. Step 6: Final answer
   x = 1,712.44