Finding the Fourth Proportional to 10,811, 16,195.52 and 7,101.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,811 : 16,195.52 = 7,101.98 : x
2. Step 2: Convert to fraction form
   10,811/16,195.52 = 7,101.98/x
3. Step 3: Cross multiply
   10,811x = 16,195.52 × 7,101.98
4. Step 4: Simplify right side
   10,811x = 115,020,259.13
5. Step 5: Solve for x
   x = 115,020,259.13/10,811
6. Step 6: Final answer
   x = 10,639.19