Finding the Fourth Proportional to 2,776.72, 3,831.87 and 1,534.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.72 : 3,831.87 = 1,534.72 : x
2. Step 2: Convert to fraction form
   2,776.72/3,831.87 = 1,534.72/x
3. Step 3: Cross multiply
   2,776.72x = 3,831.87 × 1,534.72
4. Step 4: Simplify right side
   2,776.72x = 5,880,847.53
5. Step 5: Solve for x
   x = 5,880,847.53/2,776.72
6. Step 6: Final answer
   x = 2,117.91