Finding the Fourth Proportional to 10,877.54, 16,306.79 and 3,856.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.54 : 16,306.79 = 3,856.46 : x
2. Step 2: Convert to fraction form
   10,877.54/16,306.79 = 3,856.46/x
3. Step 3: Cross multiply
   10,877.54x = 16,306.79 × 3,856.46
4. Step 4: Simplify right side
   10,877.54x = 62,886,382.55
5. Step 5: Solve for x
   x = 62,886,382.55/10,877.54
6. Step 6: Final answer
   x = 5,781.31