Finding the Fourth Proportional to 3,868.02, 5,338.71 and 2,376.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.02 : 5,338.71 = 2,376.72 : x
2. Step 2: Convert to fraction form
   3,868.02/5,338.71 = 2,376.72/x
3. Step 3: Cross multiply
   3,868.02x = 5,338.71 × 2,376.72
4. Step 4: Simplify right side
   3,868.02x = 12,688,618.83
5. Step 5: Solve for x
   x = 12,688,618.83/3,868.02
6. Step 6: Final answer
   x = 3,280.39