Finding the Fourth Proportional to 3,866.07, 5,336.37 and 2,376.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866.07 : 5,336.37 = 2,376.15 : x
2. Step 2: Convert to fraction form
   3,866.07/5,336.37 = 2,376.15/x
3. Step 3: Cross multiply
   3,866.07x = 5,336.37 × 2,376.15
4. Step 4: Simplify right side
   3,866.07x = 12,680,015.58
5. Step 5: Solve for x
   x = 12,680,015.58/3,866.07
6. Step 6: Final answer
   x = 3,279.82