Finding the Fourth Proportional to 10,732.72, 14,811.80 and 8,075.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,732.72 : 14,811.80 = 8,075.40 : x
2. Step 2: Convert to fraction form
   10,732.72/14,811.80 = 8,075.40/x
3. Step 3: Cross multiply
   10,732.72x = 14,811.80 × 8,075.40
4. Step 4: Simplify right side
   10,732.72x = 119,611,209.72
5. Step 5: Solve for x
   x = 119,611,209.72/10,732.72
6. Step 6: Final answer
   x = 11,144.54