Finding the Fourth Proportional to 12,005.34, 18,010.12 and 4,106

Step by Step Solution

1. Step 1: Write the proportion equation
   12,005.34 : 18,010.12 = 4,106 : x
2. Step 2: Convert to fraction form
   12,005.34/18,010.12 = 4,106/x
3. Step 3: Cross multiply
   12,005.34x = 18,010.12 × 4,106
4. Step 4: Simplify right side
   12,005.34x = 73,949,552.72
5. Step 5: Solve for x
   x = 73,949,552.72/12,005.34
6. Step 6: Final answer
   x = 6,159.72