Finding the Fourth Proportional to 2,140.77, 2,955.57 and 2,008.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.77 : 2,955.57 = 2,008.41 : x
2. Step 2: Convert to fraction form
   2,140.77/2,955.57 = 2,008.41/x
3. Step 3: Cross multiply
   2,140.77x = 2,955.57 × 2,008.41
4. Step 4: Simplify right side
   2,140.77x = 5,935,996.34
5. Step 5: Solve for x
   x = 5,935,996.34/2,140.77
6. Step 6: Final answer
   x = 2,772.83