Finding the Fourth Proportional to 10,991.50, 16,473.02 and 7,041.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,991.50 : 16,473.02 = 7,041.23 : x
2. Step 2: Convert to fraction form
   10,991.50/16,473.02 = 7,041.23/x
3. Step 3: Cross multiply
   10,991.50x = 16,473.02 × 7,041.23
4. Step 4: Simplify right side
   10,991.50x = 115,990,322.61
5. Step 5: Solve for x
   x = 115,990,322.61/10,991.50
6. Step 6: Final answer
   x = 10,552.73