Finding the Fourth Proportional to 140,429.25, 193,792.38 and 76,767.51

Step by Step Solution

1. Step 1: Write the proportion equation
   140,429.25 : 193,792.38 = 76,767.51 : x
2. Step 2: Convert to fraction form
   140,429.25/193,792.38 = 76,767.51/x
3. Step 3: Cross multiply
   140,429.25x = 193,792.38 × 76,767.51
4. Step 4: Simplify right side
   140,429.25x = 14,876,958,469.57
5. Step 5: Solve for x
   x = 14,876,958,469.57/140,429.25
6. Step 6: Final answer
   x = 105,939.17