Finding the Fourth Proportional to 2,433.87, 3,651.31 and 790.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.87 : 3,651.31 = 790.28 : x
2. Step 2: Convert to fraction form
   2,433.87/3,651.31 = 790.28/x
3. Step 3: Cross multiply
   2,433.87x = 3,651.31 × 790.28
4. Step 4: Simplify right side
   2,433.87x = 2,885,557.27
5. Step 5: Solve for x
   x = 2,885,557.27/2,433.87
6. Step 6: Final answer
   x = 1,185.58