Finding the Fourth Proportional to 2,271.82, 3,406.45 and 790.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.82 : 3,406.45 = 790.36 : x
2. Step 2: Convert to fraction form
   2,271.82/3,406.45 = 790.36/x
3. Step 3: Cross multiply
   2,271.82x = 3,406.45 × 790.36
4. Step 4: Simplify right side
   2,271.82x = 2,692,321.82
5. Step 5: Solve for x
   x = 2,692,321.82/2,271.82
6. Step 6: Final answer
   x = 1,185.09