Finding the Fourth Proportional to 1,066.38, 1,597.38 and 1,053.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.38 : 1,597.38 = 1,053.42 : x
2. Step 2: Convert to fraction form
   1,066.38/1,597.38 = 1,053.42/x
3. Step 3: Cross multiply
   1,066.38x = 1,597.38 × 1,053.42
4. Step 4: Simplify right side
   1,066.38x = 1,682,712.04
5. Step 5: Solve for x
   x = 1,682,712.04/1,066.38
6. Step 6: Final answer
   x = 1,577.97