Finding the Fourth Proportional to 10,435.92, 15,651.05 and 3,858.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.92 : 15,651.05 = 3,858.45 : x
2. Step 2: Convert to fraction form
   10,435.92/15,651.05 = 3,858.45/x
3. Step 3: Cross multiply
   10,435.92x = 15,651.05 × 3,858.45
4. Step 4: Simplify right side
   10,435.92x = 60,388,774.58
5. Step 5: Solve for x
   x = 60,388,774.58/10,435.92
6. Step 6: Final answer
   x = 5,786.63