Finding the Fourth Proportional to 6,429.60, 8,871.96 and 3,596.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.60 : 8,871.96 = 3,596.83 : x
2. Step 2: Convert to fraction form
   6,429.60/8,871.96 = 3,596.83/x
3. Step 3: Cross multiply
   6,429.60x = 8,871.96 × 3,596.83
4. Step 4: Simplify right side
   6,429.60x = 31,910,931.89
5. Step 5: Solve for x
   x = 31,910,931.89/6,429.60
6. Step 6: Final answer
   x = 4,963.13