Finding the Fourth Proportional to 3,868.83, 5,338.71 and 2,376.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.83 : 5,338.71 = 2,376.81 : x
2. Step 2: Convert to fraction form
   3,868.83/5,338.71 = 2,376.81/x
3. Step 3: Cross multiply
   3,868.83x = 5,338.71 × 2,376.81
4. Step 4: Simplify right side
   3,868.83x = 12,689,099.32
5. Step 5: Solve for x
   x = 12,689,099.32/3,868.83
6. Step 6: Final answer
   x = 3,279.83