Finding the Fourth Proportional to 3,447.45, 5,173.34 and 3,153.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,447.45 : 5,173.34 = 3,153.69 : x
2. Step 2: Convert to fraction form
   3,447.45/5,173.34 = 3,153.69/x
3. Step 3: Cross multiply
   3,447.45x = 5,173.34 × 3,153.69
4. Step 4: Simplify right side
   3,447.45x = 16,315,094.86
5. Step 5: Solve for x
   x = 16,315,094.86/3,447.45
6. Step 6: Final answer
   x = 4,732.51