Finding the Fourth Proportional to 3,776.27, 5,664.52 and 1,277.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,776.27 : 5,664.52 = 1,277.62 : x
2. Step 2: Convert to fraction form
   3,776.27/5,664.52 = 1,277.62/x
3. Step 3: Cross multiply
   3,776.27x = 5,664.52 × 1,277.62
4. Step 4: Simplify right side
   3,776.27x = 7,237,116.15
5. Step 5: Solve for x
   x = 7,237,116.15/3,776.27
6. Step 6: Final answer
   x = 1,916.47