Finding the Fourth Proportional to 6,118.19, 8,443.31 and 3,429.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,118.19 : 8,443.31 = 3,429.53 : x
2. Step 2: Convert to fraction form
   6,118.19/8,443.31 = 3,429.53/x
3. Step 3: Cross multiply
   6,118.19x = 8,443.31 × 3,429.53
4. Step 4: Simplify right side
   6,118.19x = 28,956,525.58
5. Step 5: Solve for x
   x = 28,956,525.58/6,118.19
6. Step 6: Final answer
   x = 4,732.86