Finding the Fourth Proportional to 10,871.55, 16,302.77 and 3,474.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,871.55 : 16,302.77 = 3,474.02 : x
2. Step 2: Convert to fraction form
   10,871.55/16,302.77 = 3,474.02/x
3. Step 3: Cross multiply
   10,871.55x = 16,302.77 × 3,474.02
4. Step 4: Simplify right side
   10,871.55x = 56,636,185.45
5. Step 5: Solve for x
   x = 56,636,185.45/10,871.55
6. Step 6: Final answer
   x = 5,209.58