Finding the Fourth Proportional to 10,856.63, 16,287.41 and 3,461.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.63 : 16,287.41 = 3,461.54 : x
2. Step 2: Convert to fraction form
   10,856.63/16,287.41 = 3,461.54/x
3. Step 3: Cross multiply
   10,856.63x = 16,287.41 × 3,461.54
4. Step 4: Simplify right side
   10,856.63x = 56,379,448.43
5. Step 5: Solve for x
   x = 56,379,448.43/10,856.63
6. Step 6: Final answer
   x = 5,193.09