Finding the Fourth Proportional to 1,253.50, 1,726.73 and 1,066.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.50 : 1,726.73 = 1,066.39 : x
2. Step 2: Convert to fraction form
   1,253.50/1,726.73 = 1,066.39/x
3. Step 3: Cross multiply
   1,253.50x = 1,726.73 × 1,066.39
4. Step 4: Simplify right side
   1,253.50x = 1,841,358.97
5. Step 5: Solve for x
   x = 1,841,358.97/1,253.50
6. Step 6: Final answer
   x = 1,468.98