Finding the Fourth Proportional to 3,955.34, 5,902.29 and 3,430.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,955.34 : 5,902.29 = 3,430.46 : x
2. Step 2: Convert to fraction form
   3,955.34/5,902.29 = 3,430.46/x
3. Step 3: Cross multiply
   3,955.34x = 5,902.29 × 3,430.46
4. Step 4: Simplify right side
   3,955.34x = 20,247,569.75
5. Step 5: Solve for x
   x = 20,247,569.75/3,955.34
6. Step 6: Final answer
   x = 5,119.05