Finding the Fourth Proportional to 2,412.48, 3,327.90 and 1,572.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.48 : 3,327.90 = 1,572.12 : x
2. Step 2: Convert to fraction form
   2,412.48/3,327.90 = 1,572.12/x
3. Step 3: Cross multiply
   2,412.48x = 3,327.90 × 1,572.12
4. Step 4: Simplify right side
   2,412.48x = 5,231,858.15
5. Step 5: Solve for x
   x = 5,231,858.15/2,412.48
6. Step 6: Final answer
   x = 2,168.66