Finding the Fourth Proportional to 10,854.55, 16,281.52 and 3,459.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,854.55 : 16,281.52 = 3,459.45 : x
2. Step 2: Convert to fraction form
   10,854.55/16,281.52 = 3,459.45/x
3. Step 3: Cross multiply
   10,854.55x = 16,281.52 × 3,459.45
4. Step 4: Simplify right side
   10,854.55x = 56,325,095.72
5. Step 5: Solve for x
   x = 56,325,095.72/10,854.55
6. Step 6: Final answer
   x = 5,189.08