Finding the Fourth Proportional to 1,655.39, 2,284.46 and 1,066.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.39 : 2,284.46 = 1,066.12 : x
2. Step 2: Convert to fraction form
   1,655.39/2,284.46 = 1,066.12/x
3. Step 3: Cross multiply
   1,655.39x = 2,284.46 × 1,066.12
4. Step 4: Simplify right side
   1,655.39x = 2,435,508.50
5. Step 5: Solve for x
   x = 2,435,508.50/1,655.39
6. Step 6: Final answer
   x = 1,471.26