Finding the Fourth Proportional to 1,066.08, 1,471.34 and 1,019.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.08 : 1,471.34 = 1,019.38 : x
2. Step 2: Convert to fraction form
   1,066.08/1,471.34 = 1,019.38/x
3. Step 3: Cross multiply
   1,066.08x = 1,471.34 × 1,019.38
4. Step 4: Simplify right side
   1,066.08x = 1,499,849.19
5. Step 5: Solve for x
   x = 1,499,849.19/1,066.08
6. Step 6: Final answer
   x = 1,406.88