Finding the Fourth Proportional to 12,066.51, 18,102.17 and 4,169.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066.51 : 18,102.17 = 4,169.31 : x
2. Step 2: Convert to fraction form
   12,066.51/18,102.17 = 4,169.31/x
3. Step 3: Cross multiply
   12,066.51x = 18,102.17 × 4,169.31
4. Step 4: Simplify right side
   12,066.51x = 75,473,568.83
5. Step 5: Solve for x
   x = 75,473,568.83/12,066.51
6. Step 6: Final answer
   x = 6,254.80