Finding the Fourth Proportional to 2,274.30, 3,406.59 and 1,405.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,274.30 : 3,406.59 = 1,405.98 : x
2. Step 2: Convert to fraction form
   2,274.30/3,406.59 = 1,405.98/x
3. Step 3: Cross multiply
   2,274.30x = 3,406.59 × 1,405.98
4. Step 4: Simplify right side
   2,274.30x = 4,789,597.41
5. Step 5: Solve for x
   x = 4,789,597.41/2,274.30
6. Step 6: Final answer
   x = 2,105.97