Finding the Fourth Proportional to 10,856.88, 16,287.72 and 3,461.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.88 : 16,287.72 = 3,461.52 : x
2. Step 2: Convert to fraction form
   10,856.88/16,287.72 = 3,461.52/x
3. Step 3: Cross multiply
   10,856.88x = 16,287.72 × 3,461.52
4. Step 4: Simplify right side
   10,856.88x = 56,380,268.53
5. Step 5: Solve for x
   x = 56,380,268.53/10,856.88
6. Step 6: Final answer
   x = 5,193.05