Finding the Fourth Proportional to 1,729.59, 2,387.16 and 1,066.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.59 : 2,387.16 = 1,066.29 : x
2. Step 2: Convert to fraction form
   1,729.59/2,387.16 = 1,066.29/x
3. Step 3: Cross multiply
   1,729.59x = 2,387.16 × 1,066.29
4. Step 4: Simplify right side
   1,729.59x = 2,545,404.84
5. Step 5: Solve for x
   x = 2,545,404.84/1,729.59
6. Step 6: Final answer
   x = 1,471.68