Finding the Fourth Proportional to 2,458.55, 3,684.71 and 1,071.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.55 : 3,684.71 = 1,071.52 : x
2. Step 2: Convert to fraction form
   2,458.55/3,684.71 = 1,071.52/x
3. Step 3: Cross multiply
   2,458.55x = 3,684.71 × 1,071.52
4. Step 4: Simplify right side
   2,458.55x = 3,948,233.93
5. Step 5: Solve for x
   x = 3,948,233.93/2,458.55
6. Step 6: Final answer
   x = 1,605.92