Finding the Fourth Proportional to 2,231.56, 3,346.86 and 1,410.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.56 : 3,346.86 = 1,410.28 : x
2. Step 2: Convert to fraction form
   2,231.56/3,346.86 = 1,410.28/x
3. Step 3: Cross multiply
   2,231.56x = 3,346.86 × 1,410.28
4. Step 4: Simplify right side
   2,231.56x = 4,720,009.72
5. Step 5: Solve for x
   x = 4,720,009.72/2,231.56
6. Step 6: Final answer
   x = 2,115.12