Finding the Fourth Proportional to 3,010.72, 4,155.10 and 1,831.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,010.72 : 4,155.10 = 1,831.88 : x
2. Step 2: Convert to fraction form
   3,010.72/4,155.10 = 1,831.88/x
3. Step 3: Cross multiply
   3,010.72x = 4,155.10 × 1,831.88
4. Step 4: Simplify right side
   3,010.72x = 7,611,644.59
5. Step 5: Solve for x
   x = 7,611,644.59/3,010.72
6. Step 6: Final answer
   x = 2,528.18