Finding the Fourth Proportional to 3,954.34, 5,900.80 and 3,429.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,954.34 : 5,900.80 = 3,429.46 : x
2. Step 2: Convert to fraction form
   3,954.34/5,900.80 = 3,429.46/x
3. Step 3: Cross multiply
   3,954.34x = 5,900.80 × 3,429.46
4. Step 4: Simplify right side
   3,954.34x = 20,236,510.92
5. Step 5: Solve for x
   x = 20,236,510.92/3,954.34
6. Step 6: Final answer
   x = 5,117.55