Finding the Fourth Proportional to 10,907.28, 16,350.53 and 3,506.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,907.28 : 16,350.53 = 3,506.55 : x
2. Step 2: Convert to fraction form
   10,907.28/16,350.53 = 3,506.55/x
3. Step 3: Cross multiply
   10,907.28x = 16,350.53 × 3,506.55
4. Step 4: Simplify right side
   10,907.28x = 57,333,933.44
5. Step 5: Solve for x
   x = 57,333,933.44/10,907.28
6. Step 6: Final answer
   x = 5,256.48