Finding the Fourth Proportional to 10,748.54, 16,131.69 and 5,487.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,748.54 : 16,131.69 = 5,487.43 : x
2. Step 2: Convert to fraction form
   10,748.54/16,131.69 = 5,487.43/x
3. Step 3: Cross multiply
   10,748.54x = 16,131.69 × 5,487.43
4. Step 4: Simplify right side
   10,748.54x = 88,521,519.66
5. Step 5: Solve for x
   x = 88,521,519.66/10,748.54
6. Step 6: Final answer
   x = 8,235.68