Finding the Fourth Proportional to 12,141.67, 18,212.54 and 3,376.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141.67 : 18,212.54 = 3,376.60 : x
2. Step 2: Convert to fraction form
   12,141.67/18,212.54 = 3,376.60/x
3. Step 3: Cross multiply
   12,141.67x = 18,212.54 × 3,376.60
4. Step 4: Simplify right side
   12,141.67x = 61,496,462.56
5. Step 5: Solve for x
   x = 61,496,462.56/12,141.67
6. Step 6: Final answer
   x = 5,064.91