Finding the Fourth Proportional to 2,412.30, 3,329.54 and 1,571.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.30 : 3,329.54 = 1,571.55 : x
2. Step 2: Convert to fraction form
   2,412.30/3,329.54 = 1,571.55/x
3. Step 3: Cross multiply
   2,412.30x = 3,329.54 × 1,571.55
4. Step 4: Simplify right side
   2,412.30x = 5,232,538.59
5. Step 5: Solve for x
   x = 5,232,538.59/2,412.30
6. Step 6: Final answer
   x = 2,169.11