Finding the Fourth Proportional to 1,622.78, 2,236.58 and 1,410.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.78 : 2,236.58 = 1,410.56 : x
2. Step 2: Convert to fraction form
   1,622.78/2,236.58 = 1,410.56/x
3. Step 3: Cross multiply
   1,622.78x = 2,236.58 × 1,410.56
4. Step 4: Simplify right side
   1,622.78x = 3,154,830.28
5. Step 5: Solve for x
   x = 3,154,830.28/1,622.78
6. Step 6: Final answer
   x = 1,944.09