Finding the Fourth Proportional to 10,860.38, 16,291.48 and 3,465.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860.38 : 16,291.48 = 3,465.89 : x
2. Step 2: Convert to fraction form
   10,860.38/16,291.48 = 3,465.89/x
3. Step 3: Cross multiply
   10,860.38x = 16,291.48 × 3,465.89
4. Step 4: Simplify right side
   10,860.38x = 56,464,477.62
5. Step 5: Solve for x
   x = 56,464,477.62/10,860.38
6. Step 6: Final answer
   x = 5,199.13