Finding the Fourth Proportional to 1,768.81, 2,440.43 and 1,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.81 : 2,440.43 = 1,022.50 : x
2. Step 2: Convert to fraction form
   1,768.81/2,440.43 = 1,022.50/x
3. Step 3: Cross multiply
   1,768.81x = 2,440.43 × 1,022.50
4. Step 4: Simplify right side
   1,768.81x = 2,495,334.58
5. Step 5: Solve for x
   x = 2,495,334.58/1,768.81
6. Step 6: Final answer
   x = 1,410.74