Finding the Fourth Proportional to 12,075.89, 16,662.71 and 7,040.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.89 : 16,662.71 = 7,040.32 : x
2. Step 2: Convert to fraction form
   12,075.89/16,662.71 = 7,040.32/x
3. Step 3: Cross multiply
   12,075.89x = 16,662.71 × 7,040.32
4. Step 4: Simplify right side
   12,075.89x = 117,310,786.41
5. Step 5: Solve for x
   x = 117,310,786.41/12,075.89
6. Step 6: Final answer
   x = 9,714.47