Finding the Fourth Proportional to 2,458.16, 3,387.55 and 1,572.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.16 : 3,387.55 = 1,572.42 : x
2. Step 2: Convert to fraction form
   2,458.16/3,387.55 = 1,572.42/x
3. Step 3: Cross multiply
   2,458.16x = 3,387.55 × 1,572.42
4. Step 4: Simplify right side
   2,458.16x = 5,326,651.37
5. Step 5: Solve for x
   x = 5,326,651.37/2,458.16
6. Step 6: Final answer
   x = 2,166.93