Finding the Fourth Proportional to 2,767.76, 4,155.83 and 2,381.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.76 : 4,155.83 = 2,381.99 : x
2. Step 2: Convert to fraction form
   2,767.76/4,155.83 = 2,381.99/x
3. Step 3: Cross multiply
   2,767.76x = 4,155.83 × 2,381.99
4. Step 4: Simplify right side
   2,767.76x = 9,899,112.81
5. Step 5: Solve for x
   x = 9,899,112.81/2,767.76
6. Step 6: Final answer
   x = 3,576.59