Finding the Fourth Proportional to 2,436.45, 3,656.57 and 976.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.45 : 3,656.57 = 976.56 : x
2. Step 2: Convert to fraction form
   2,436.45/3,656.57 = 976.56/x
3. Step 3: Cross multiply
   2,436.45x = 3,656.57 × 976.56
4. Step 4: Simplify right side
   2,436.45x = 3,570,855.12
5. Step 5: Solve for x
   x = 3,570,855.12/2,436.45
6. Step 6: Final answer
   x = 1,465.60