Finding the Fourth Proportional to 8,748.18, 13,108.50 and 5,456.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.18 : 13,108.50 = 5,456.34 : x
2. Step 2: Convert to fraction form
   8,748.18/13,108.50 = 5,456.34/x
3. Step 3: Cross multiply
   8,748.18x = 13,108.50 × 5,456.34
4. Step 4: Simplify right side
   8,748.18x = 71,524,432.89
5. Step 5: Solve for x
   x = 71,524,432.89/8,748.18
6. Step 6: Final answer
   x = 8,175.92