Finding the Fourth Proportional to 1,890.82, 2,832.57 and 1,066.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.82 : 2,832.57 = 1,066.57 : x
2. Step 2: Convert to fraction form
   1,890.82/2,832.57 = 1,066.57/x
3. Step 3: Cross multiply
   1,890.82x = 2,832.57 × 1,066.57
4. Step 4: Simplify right side
   1,890.82x = 3,021,134.18
5. Step 5: Solve for x
   x = 3,021,134.18/1,890.82
6. Step 6: Final answer
   x = 1,597.79