Finding the Fourth Proportional to 3,910.77, 5,877.63 and 3,256.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.77 : 5,877.63 = 3,256.83 : x
2. Step 2: Convert to fraction form
   3,910.77/5,877.63 = 3,256.83/x
3. Step 3: Cross multiply
   3,910.77x = 5,877.63 × 3,256.83
4. Step 4: Simplify right side
   3,910.77x = 19,142,441.71
5. Step 5: Solve for x
   x = 19,142,441.71/3,910.77
6. Step 6: Final answer
   x = 4,894.80