Finding the Fourth Proportional to 2,276.06, 3,141.37 and 2,172.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.06 : 3,141.37 = 2,172.18 : x
2. Step 2: Convert to fraction form
   2,276.06/3,141.37 = 2,172.18/x
3. Step 3: Cross multiply
   2,276.06x = 3,141.37 × 2,172.18
4. Step 4: Simplify right side
   2,276.06x = 6,823,610.23
5. Step 5: Solve for x
   x = 6,823,610.23/2,276.06
6. Step 6: Final answer
   x = 2,997.99