Finding the Fourth Proportional to 2,672.56, 4,008.83 and 1,285.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.56 : 4,008.83 = 1,285.03 : x
2. Step 2: Convert to fraction form
   2,672.56/4,008.83 = 1,285.03/x
3. Step 3: Cross multiply
   2,672.56x = 4,008.83 × 1,285.03
4. Step 4: Simplify right side
   2,672.56x = 5,151,466.81
5. Step 5: Solve for x
   x = 5,151,466.81/2,672.56
6. Step 6: Final answer
   x = 1,927.54