Finding the Fourth Proportional to 6,429.03, 8,871.12 and 3,777.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.03 : 8,871.12 = 3,777.29 : x
2. Step 2: Convert to fraction form
   6,429.03/8,871.12 = 3,777.29/x
3. Step 3: Cross multiply
   6,429.03x = 8,871.12 × 3,777.29
4. Step 4: Simplify right side
   6,429.03x = 33,508,792.86
5. Step 5: Solve for x
   x = 33,508,792.86/6,429.03
6. Step 6: Final answer
   x = 5,212.11