Finding the Fourth Proportional to 3,957.39, 5,458.59 and 2,541.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,957.39 : 5,458.59 = 2,541.51 : x
2. Step 2: Convert to fraction form
   3,957.39/5,458.59 = 2,541.51/x
3. Step 3: Cross multiply
   3,957.39x = 5,458.59 × 2,541.51
4. Step 4: Simplify right side
   3,957.39x = 13,873,061.07
5. Step 5: Solve for x
   x = 13,873,061.07/3,957.39
6. Step 6: Final answer
   x = 3,505.61