Finding the Fourth Proportional to 5,555.34, 7,665.37 and 3,429.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,555.34 : 7,665.37 = 3,429.18 : x
2. Step 2: Convert to fraction form
   5,555.34/7,665.37 = 3,429.18/x
3. Step 3: Cross multiply
   5,555.34x = 7,665.37 × 3,429.18
4. Step 4: Simplify right side
   5,555.34x = 26,285,924.92
5. Step 5: Solve for x
   x = 26,285,924.92/5,555.34
6. Step 6: Final answer
   x = 4,731.65