Finding the Fourth Proportional to 12,075, 18,114.12 and 5,151.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075 : 18,114.12 = 5,151.12 : x
2. Step 2: Convert to fraction form
   12,075/18,114.12 = 5,151.12/x
3. Step 3: Cross multiply
   12,075x = 18,114.12 × 5,151.12
4. Step 4: Simplify right side
   12,075x = 93,308,005.81
5. Step 5: Solve for x
   x = 93,308,005.81/12,075
6. Step 6: Final answer
   x = 7,727.37