Finding the Fourth Proportional to 141,726.50, 195,568.38 and 87,269.94

Step by Step Solution

1. Step 1: Write the proportion equation
   141,726.50 : 195,568.38 = 87,269.94 : x
2. Step 2: Convert to fraction form
   141,726.50/195,568.38 = 87,269.94/x
3. Step 3: Cross multiply
   141,726.50x = 195,568.38 × 87,269.94
4. Step 4: Simplify right side
   141,726.50x = 17,067,240,788.50
5. Step 5: Solve for x
   x = 17,067,240,788.50/141,726.50
6. Step 6: Final answer
   x = 120,423.78