Finding the Fourth Proportional to 2,495.59, 3,743.35 and 646.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.59 : 3,743.35 = 646.56 : x
2. Step 2: Convert to fraction form
   2,495.59/3,743.35 = 646.56/x
3. Step 3: Cross multiply
   2,495.59x = 3,743.35 × 646.56
4. Step 4: Simplify right side
   2,495.59x = 2,420,300.38
5. Step 5: Solve for x
   x = 2,420,300.38/2,495.59
6. Step 6: Final answer
   x = 969.83