Finding the Fourth Proportional to 2,282.76, 3,142.59 and 2,178.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.76 : 3,142.59 = 2,178.27 : x
2. Step 2: Convert to fraction form
   2,282.76/3,142.59 = 2,178.27/x
3. Step 3: Cross multiply
   2,282.76x = 3,142.59 × 2,178.27
4. Step 4: Simplify right side
   2,282.76x = 6,845,409.52
5. Step 5: Solve for x
   x = 6,845,409.52/2,282.76
6. Step 6: Final answer
   x = 2,998.74