Finding the Fourth Proportional to 12,075.32, 18,086.22 and 9,281.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.32 : 18,086.22 = 9,281.42 : x
2. Step 2: Convert to fraction form
   12,075.32/18,086.22 = 9,281.42/x
3. Step 3: Cross multiply
   12,075.32x = 18,086.22 × 9,281.42
4. Step 4: Simplify right side
   12,075.32x = 167,865,804.03
5. Step 5: Solve for x
   x = 167,865,804.03/12,075.32
6. Step 6: Final answer
   x = 13,901.56