Finding the Fourth Proportional to 10,876.18, 16,312.88 and 3,481.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876.18 : 16,312.88 = 3,481.42 : x
2. Step 2: Convert to fraction form
   10,876.18/16,312.88 = 3,481.42/x
3. Step 3: Cross multiply
   10,876.18x = 16,312.88 × 3,481.42
4. Step 4: Simplify right side
   10,876.18x = 56,791,986.69
5. Step 5: Solve for x
   x = 56,791,986.69/10,876.18
6. Step 6: Final answer
   x = 5,221.69