Finding the Fourth Proportional to 2,472.59, 3,412.04 and 1,353.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.59 : 3,412.04 = 1,353.31 : x
2. Step 2: Convert to fraction form
   2,472.59/3,412.04 = 1,353.31/x
3. Step 3: Cross multiply
   2,472.59x = 3,412.04 × 1,353.31
4. Step 4: Simplify right side
   2,472.59x = 4,617,537.63
5. Step 5: Solve for x
   x = 4,617,537.63/2,472.59
6. Step 6: Final answer
   x = 1,867.49