Finding the Fourth Proportional to 12,075.14, 18,106.86 and 3,755.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.14 : 18,106.86 = 3,755.21 : x
2. Step 2: Convert to fraction form
   12,075.14/18,106.86 = 3,755.21/x
3. Step 3: Cross multiply
   12,075.14x = 18,106.86 × 3,755.21
4. Step 4: Simplify right side
   12,075.14x = 67,995,066.02
5. Step 5: Solve for x
   x = 67,995,066.02/12,075.14
6. Step 6: Final answer
   x = 5,630.99