Finding the Fourth Proportional to 2,162.58, 3,242.35 and 1,066.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.58 : 3,242.35 = 1,066.69 : x
2. Step 2: Convert to fraction form
   2,162.58/3,242.35 = 1,066.69/x
3. Step 3: Cross multiply
   2,162.58x = 3,242.35 × 1,066.69
4. Step 4: Simplify right side
   2,162.58x = 3,458,582.32
5. Step 5: Solve for x
   x = 3,458,582.32/2,162.58
6. Step 6: Final answer
   x = 1,599.29