Finding the Fourth Proportional to 112,185.29, 168,309.83 and 45,673.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,185.29 : 168,309.83 = 45,673.16 : x
2. Step 2: Convert to fraction form
   112,185.29/168,309.83 = 45,673.16/x
3. Step 3: Cross multiply
   112,185.29x = 168,309.83 × 45,673.16
4. Step 4: Simplify right side
   112,185.29x = 7,687,241,067.80
5. Step 5: Solve for x
   x = 7,687,241,067.80/112,185.29
6. Step 6: Final answer
   x = 68,522.72