Finding the Fourth Proportional to 1,905.46, 2,629.59 and 1,066.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905.46 : 2,629.59 = 1,066.16 : x
2. Step 2: Convert to fraction form
   1,905.46/2,629.59 = 1,066.16/x
3. Step 3: Cross multiply
   1,905.46x = 2,629.59 × 1,066.16
4. Step 4: Simplify right side
   1,905.46x = 2,803,558.85
5. Step 5: Solve for x
   x = 2,803,558.85/1,905.46
6. Step 6: Final answer
   x = 1,471.33