Finding the Fourth Proportional to 2,412.38, 3,328.49 and 1,572.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.38 : 3,328.49 = 1,572.82 : x
2. Step 2: Convert to fraction form
   2,412.38/3,328.49 = 1,572.82/x
3. Step 3: Cross multiply
   2,412.38x = 3,328.49 × 1,572.82
4. Step 4: Simplify right side
   2,412.38x = 5,235,111.25
5. Step 5: Solve for x
   x = 5,235,111.25/2,412.38
6. Step 6: Final answer
   x = 2,170.10