Finding the Fourth Proportional to 3,886.68, 5,363.61 and 2,314.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.68 : 5,363.61 = 2,314.83 : x
2. Step 2: Convert to fraction form
   3,886.68/5,363.61 = 2,314.83/x
3. Step 3: Cross multiply
   3,886.68x = 5,363.61 × 2,314.83
4. Step 4: Simplify right side
   3,886.68x = 12,415,845.34
5. Step 5: Solve for x
   x = 12,415,845.34/3,886.68
6. Step 6: Final answer
   x = 3,194.46