Finding the Fourth Proportional to 12,100.67, 18,137.40 and 6,160.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.67 : 18,137.40 = 6,160.89 : x
2. Step 2: Convert to fraction form
   12,100.67/18,137.40 = 6,160.89/x
3. Step 3: Cross multiply
   12,100.67x = 18,137.40 × 6,160.89
4. Step 4: Simplify right side
   12,100.67x = 111,742,481.37
5. Step 5: Solve for x
   x = 111,742,481.37/12,100.67
6. Step 6: Final answer
   x = 9,234.40