Finding the Fourth Proportional to 11,075.50, 16,591.93 and 8,723.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,075.50 : 16,591.93 = 8,723.06 : x
2. Step 2: Convert to fraction form
   11,075.50/16,591.93 = 8,723.06/x
3. Step 3: Cross multiply
   11,075.50x = 16,591.93 × 8,723.06
4. Step 4: Simplify right side
   11,075.50x = 144,732,400.91
5. Step 5: Solve for x
   x = 144,732,400.91/11,075.50
6. Step 6: Final answer
   x = 13,067.80