Finding the Fourth Proportional to 3,746.82, 5,613.71 and 2,431.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,746.82 : 5,613.71 = 2,431.89 : x
2. Step 2: Convert to fraction form
   3,746.82/5,613.71 = 2,431.89/x
3. Step 3: Cross multiply
   3,746.82x = 5,613.71 × 2,431.89
4. Step 4: Simplify right side
   3,746.82x = 13,651,913.05
5. Step 5: Solve for x
   x = 13,651,913.05/3,746.82
6. Step 6: Final answer
   x = 3,643.60