Finding the Fourth Proportional to 2,271.32, 3,406.72 and 790.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,271.32 : 3,406.72 = 790.27 : x
2. Step 2: Convert to fraction form
   2,271.32/3,406.72 = 790.27/x
3. Step 3: Cross multiply
   2,271.32x = 3,406.72 × 790.27
4. Step 4: Simplify right side
   2,271.32x = 2,692,228.61
5. Step 5: Solve for x
   x = 2,692,228.61/2,271.32
6. Step 6: Final answer
   x = 1,185.31