Finding the Fourth Proportional to 12,075.93, 18,111.96 and 3,308.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.93 : 18,111.96 = 3,308.81 : x
2. Step 2: Convert to fraction form
   12,075.93/18,111.96 = 3,308.81/x
3. Step 3: Cross multiply
   12,075.93x = 18,111.96 × 3,308.81
4. Step 4: Simplify right side
   12,075.93x = 59,928,943.81
5. Step 5: Solve for x
   x = 59,928,943.81/12,075.93
6. Step 6: Final answer
   x = 4,962.68