Finding the Fourth Proportional to 2,066.89, 2,852.31 and 1,135.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.89 : 2,852.31 = 1,135.39 : x
2. Step 2: Convert to fraction form
   2,066.89/2,852.31 = 1,135.39/x
3. Step 3: Cross multiply
   2,066.89x = 2,852.31 × 1,135.39
4. Step 4: Simplify right side
   2,066.89x = 3,238,484.25
5. Step 5: Solve for x
   x = 3,238,484.25/2,066.89
6. Step 6: Final answer
   x = 1,566.84