Finding the Fourth Proportional to 1,905.50, 2,629.53 and 1,066.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905.50 : 2,629.53 = 1,066.28 : x
2. Step 2: Convert to fraction form
   1,905.50/2,629.53 = 1,066.28/x
3. Step 3: Cross multiply
   1,905.50x = 2,629.53 × 1,066.28
4. Step 4: Simplify right side
   1,905.50x = 2,803,801.30
5. Step 5: Solve for x
   x = 2,803,801.30/1,905.50
6. Step 6: Final answer
   x = 1,471.43