Finding the Fourth Proportional to 12,429.07, 18,646.52 and 4,109.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.07 : 18,646.52 = 4,109.08 : x
2. Step 2: Convert to fraction form
   12,429.07/18,646.52 = 4,109.08/x
3. Step 3: Cross multiply
   12,429.07x = 18,646.52 × 4,109.08
4. Step 4: Simplify right side
   12,429.07x = 76,620,033.32
5. Step 5: Solve for x
   x = 76,620,033.32/12,429.07
6. Step 6: Final answer
   x = 6,164.58