Finding the Fourth Proportional to 3,066.24, 4,230.72 and 2,570.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.24 : 4,230.72 = 2,570.88 : x
2. Step 2: Convert to fraction form
   3,066.24/4,230.72 = 2,570.88/x
3. Step 3: Cross multiply
   3,066.24x = 4,230.72 × 2,570.88
4. Step 4: Simplify right side
   3,066.24x = 10,876,673.43
5. Step 5: Solve for x
   x = 10,876,673.43/3,066.24
6. Step 6: Final answer
   x = 3,547.23