Finding the Fourth Proportional to 3,153.69, 4,320.57 and 3,035.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,153.69 : 4,320.57 = 3,035.45 : x
2. Step 2: Convert to fraction form
   3,153.69/4,320.57 = 3,035.45/x
3. Step 3: Cross multiply
   3,153.69x = 4,320.57 × 3,035.45
4. Step 4: Simplify right side
   3,153.69x = 13,114,885.01
5. Step 5: Solve for x
   x = 13,114,885.01/3,153.69
6. Step 6: Final answer
   x = 4,158.59