Finding the Fourth Proportional to 3,677.81, 5,517.01 and 1,045.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.81 : 5,517.01 = 1,045.28 : x
2. Step 2: Convert to fraction form
   3,677.81/5,517.01 = 1,045.28/x
3. Step 3: Cross multiply
   3,677.81x = 5,517.01 × 1,045.28
4. Step 4: Simplify right side
   3,677.81x = 5,766,790.01
5. Step 5: Solve for x
   x = 5,766,790.01/3,677.81
6. Step 6: Final answer
   x = 1,567.99