Finding the Fourth Proportional to 2,866.56, 4,300.22 and 1,405.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.56 : 4,300.22 = 1,405.76 : x
2. Step 2: Convert to fraction form
   2,866.56/4,300.22 = 1,405.76/x
3. Step 3: Cross multiply
   2,866.56x = 4,300.22 × 1,405.76
4. Step 4: Simplify right side
   2,866.56x = 6,045,077.27
5. Step 5: Solve for x
   x = 6,045,077.27/2,866.56
6. Step 6: Final answer
   x = 2,108.83