Finding the Fourth Proportional to 2,402.57, 3,600.71 and 1,231.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.57 : 3,600.71 = 1,231.58 : x
2. Step 2: Convert to fraction form
   2,402.57/3,600.71 = 1,231.58/x
3. Step 3: Cross multiply
   2,402.57x = 3,600.71 × 1,231.58
4. Step 4: Simplify right side
   2,402.57x = 4,434,538.26
5. Step 5: Solve for x
   x = 4,434,538.26/2,402.57
6. Step 6: Final answer
   x = 1,845.75