Finding the Fourth Proportional to 1,769.22, 2,441.43 and 983.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.22 : 2,441.43 = 983.31 : x
2. Step 2: Convert to fraction form
   1,769.22/2,441.43 = 983.31/x
3. Step 3: Cross multiply
   1,769.22x = 2,441.43 × 983.31
4. Step 4: Simplify right side
   1,769.22x = 2,400,682.53
5. Step 5: Solve for x
   x = 2,400,682.53/1,769.22
6. Step 6: Final answer
   x = 1,356.92