Finding the Fourth Proportional to 2,066.62, 2,851.98 and 1,270.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.62 : 2,851.98 = 1,270.40 : x
2. Step 2: Convert to fraction form
   2,066.62/2,851.98 = 1,270.40/x
3. Step 3: Cross multiply
   2,066.62x = 2,851.98 × 1,270.40
4. Step 4: Simplify right side
   2,066.62x = 3,623,155.39
5. Step 5: Solve for x
   x = 3,623,155.39/2,066.62
6. Step 6: Final answer
   x = 1,753.18