Finding the Fourth Proportional to 3,986.46, 5,502.53 and 2,570.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.46 : 5,502.53 = 2,570.15 : x
2. Step 2: Convert to fraction form
   3,986.46/5,502.53 = 2,570.15/x
3. Step 3: Cross multiply
   3,986.46x = 5,502.53 × 2,570.15
4. Step 4: Simplify right side
   3,986.46x = 14,142,306.39
5. Step 5: Solve for x
   x = 14,142,306.39/3,986.46
6. Step 6: Final answer
   x = 3,547.59