Finding the Fourth Proportional to 12,100.44, 18,153.18 and 3,780.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.44 : 18,153.18 = 3,780.12 : x
2. Step 2: Convert to fraction form
   12,100.44/18,153.18 = 3,780.12/x
3. Step 3: Cross multiply
   12,100.44x = 18,153.18 × 3,780.12
4. Step 4: Simplify right side
   12,100.44x = 68,621,198.78
5. Step 5: Solve for x
   x = 68,621,198.78/12,100.44
6. Step 6: Final answer
   x = 5,670.97