Finding the Fourth Proportional to 10,749.89, 16,127.62 and 4,086.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749.89 : 16,127.62 = 4,086.52 : x
2. Step 2: Convert to fraction form
   10,749.89/16,127.62 = 4,086.52/x
3. Step 3: Cross multiply
   10,749.89x = 16,127.62 × 4,086.52
4. Step 4: Simplify right side
   10,749.89x = 65,905,791.15
5. Step 5: Solve for x
   x = 65,905,791.15/10,749.89
6. Step 6: Final answer
   x = 6,130.83