Finding the Fourth Proportional to 6,429.96, 8,873.42 and 3,777.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.96 : 8,873.42 = 3,777.48 : x
2. Step 2: Convert to fraction form
   6,429.96/8,873.42 = 3,777.48/x
3. Step 3: Cross multiply
   6,429.96x = 8,873.42 × 3,777.48
4. Step 4: Simplify right side
   6,429.96x = 33,519,166.58
5. Step 5: Solve for x
   x = 33,519,166.58/6,429.96
6. Step 6: Final answer
   x = 5,212.97